Home / 7,547.56-11,322.77-3,387.47

Finding the Fourth Proportional to 7,547.56, 11,322.77 and 3,387.47

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Solution

The fourth proportional to 7,547.56, 11,322.77 and 3,387.47 is: 5,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.56 : 11,322.77 = 3,387.47 : x
  2. Step 2: Convert to fraction form
    7,547.56/11,322.77 = 3,387.47/x
  3. Step 3: Cross multiply
    7,547.56x = 11,322.77 × 3,387.47
  4. Step 4: Simplify right side
    7,547.56x = 38,355,552.89
  5. Step 5: Solve for x
    x = 38,355,552.89/7,547.56
  6. Step 6: Final answer
    x = 5,081.85

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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.