Home / 9,117.01-13,675.52-5,218.71

Finding the Fourth Proportional to 9,117.01, 13,675.52 and 5,218.71

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Solution

The fourth proportional to 9,117.01, 13,675.52 and 5,218.71 is: 7,828.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.01 : 13,675.52 = 5,218.71 : x
  2. Step 2: Convert to fraction form
    9,117.01/13,675.52 = 5,218.71/x
  3. Step 3: Cross multiply
    9,117.01x = 13,675.52 × 5,218.71
  4. Step 4: Simplify right side
    9,117.01x = 71,368,572.98
  5. Step 5: Solve for x
    x = 71,368,572.98/9,117.01
  6. Step 6: Final answer
    x = 7,828.07

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Similar ratio
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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.