Home / 6,531.55-9,013.35-3,547.28

Finding the Fourth Proportional to 6,531.55, 9,013.35 and 3,547.28

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Solution

The fourth proportional to 6,531.55, 9,013.35 and 3,547.28 is: 4,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.55 : 9,013.35 = 3,547.28 : x
  2. Step 2: Convert to fraction form
    6,531.55/9,013.35 = 3,547.28/x
  3. Step 3: Cross multiply
    6,531.55x = 9,013.35 × 3,547.28
  4. Step 4: Simplify right side
    6,531.55x = 31,972,912.02
  5. Step 5: Solve for x
    x = 31,972,912.02/6,531.55
  6. Step 6: Final answer
    x = 4,895.15

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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.