Home / 9,084.31-12,531.23-5,721.35

Finding the Fourth Proportional to 9,084.31, 12,531.23 and 5,721.35

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Solution

The fourth proportional to 9,084.31, 12,531.23 and 5,721.35 is: 7,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,084.31 : 12,531.23 = 5,721.35 : x
  2. Step 2: Convert to fraction form
    9,084.31/12,531.23 = 5,721.35/x
  3. Step 3: Cross multiply
    9,084.31x = 12,531.23 × 5,721.35
  4. Step 4: Simplify right side
    9,084.31x = 71,695,482.95
  5. Step 5: Solve for x
    x = 71,695,482.95/9,084.31
  6. Step 6: Final answer
    x = 7,892.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.