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Finding the Fourth Proportional to 5,392.94, 8,088.86 and 1,695.06

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Solution

The fourth proportional to 5,392.94, 8,088.86 and 1,695.06 is: 2,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.94 : 8,088.86 = 1,695.06 : x
  2. Step 2: Convert to fraction form
    5,392.94/8,088.86 = 1,695.06/x
  3. Step 3: Cross multiply
    5,392.94x = 8,088.86 × 1,695.06
  4. Step 4: Simplify right side
    5,392.94x = 13,711,094.56
  5. Step 5: Solve for x
    x = 13,711,094.56/5,392.94
  6. Step 6: Final answer
    x = 2,542.42

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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.