Home / 6,547.61-9,036.30-3,715.90

Finding the Fourth Proportional to 6,547.61, 9,036.30 and 3,715.90

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Solution

The fourth proportional to 6,547.61, 9,036.30 and 3,715.90 is: 5,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,547.61 : 9,036.30 = 3,715.90 : x
  2. Step 2: Convert to fraction form
    6,547.61/9,036.30 = 3,715.90/x
  3. Step 3: Cross multiply
    6,547.61x = 9,036.30 × 3,715.90
  4. Step 4: Simplify right side
    6,547.61x = 33,577,987.17
  5. Step 5: Solve for x
    x = 33,577,987.17/6,547.61
  6. Step 6: Final answer
    x = 5,128.28

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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.