Home / 8,436.39-11,641.22-5,079.15

Finding the Fourth Proportional to 8,436.39, 11,641.22 and 5,079.15

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Solution

The fourth proportional to 8,436.39, 11,641.22 and 5,079.15 is: 7,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.39 : 11,641.22 = 5,079.15 : x
  2. Step 2: Convert to fraction form
    8,436.39/11,641.22 = 5,079.15/x
  3. Step 3: Cross multiply
    8,436.39x = 11,641.22 × 5,079.15
  4. Step 4: Simplify right side
    8,436.39x = 59,127,477.17
  5. Step 5: Solve for x
    x = 59,127,477.17/8,436.39
  6. Step 6: Final answer
    x = 7,008.62

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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.