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Finding the Fourth Proportional to 5,392.50, 8,089.91 and 1,695.11

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Solution

The fourth proportional to 5,392.50, 8,089.91 and 1,695.11 is: 2,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.50 : 8,089.91 = 1,695.11 : x
  2. Step 2: Convert to fraction form
    5,392.50/8,089.91 = 1,695.11/x
  3. Step 3: Cross multiply
    5,392.50x = 8,089.91 × 1,695.11
  4. Step 4: Simplify right side
    5,392.50x = 13,713,238.42
  5. Step 5: Solve for x
    x = 13,713,238.42/5,392.50
  6. Step 6: Final answer
    x = 2,543.02

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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.