Home / 6,531.28-9,013.26-3,547.12

Finding the Fourth Proportional to 6,531.28, 9,013.26 and 3,547.12

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Solution

The fourth proportional to 6,531.28, 9,013.26 and 3,547.12 is: 4,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.28 : 9,013.26 = 3,547.12 : x
  2. Step 2: Convert to fraction form
    6,531.28/9,013.26 = 3,547.12/x
  3. Step 3: Cross multiply
    6,531.28x = 9,013.26 × 3,547.12
  4. Step 4: Simplify right side
    6,531.28x = 31,971,114.81
  5. Step 5: Solve for x
    x = 31,971,114.81/6,531.28
  6. Step 6: Final answer
    x = 4,895.08

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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.