Home / 8,290.80-11,437.61-5,601.16

Finding the Fourth Proportional to 8,290.80, 11,437.61 and 5,601.16

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Solution

The fourth proportional to 8,290.80, 11,437.61 and 5,601.16 is: 7,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.80 : 11,437.61 = 5,601.16 : x
  2. Step 2: Convert to fraction form
    8,290.80/11,437.61 = 5,601.16/x
  3. Step 3: Cross multiply
    8,290.80x = 11,437.61 × 5,601.16
  4. Step 4: Simplify right side
    8,290.80x = 64,063,869.04
  5. Step 5: Solve for x
    x = 64,063,869.04/8,290.80
  6. Step 6: Final answer
    x = 7,727.10

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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.