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Finding the Fourth Proportional to 5,393.16, 8,089.74 and 1,695.72

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Solution

The fourth proportional to 5,393.16, 8,089.74 and 1,695.72 is: 2,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.16 : 8,089.74 = 1,695.72 : x
  2. Step 2: Convert to fraction form
    5,393.16/8,089.74 = 1,695.72/x
  3. Step 3: Cross multiply
    5,393.16x = 8,089.74 × 1,695.72
  4. Step 4: Simplify right side
    5,393.16x = 13,717,889.22
  5. Step 5: Solve for x
    x = 13,717,889.22/5,393.16
  6. Step 6: Final answer
    x = 2,543.57

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.