Home / 8,785.70-13,166.55-5,656.10

Finding the Fourth Proportional to 8,785.70, 13,166.55 and 5,656.10

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Solution

The fourth proportional to 8,785.70, 13,166.55 and 5,656.10 is: 8,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.70 : 13,166.55 = 5,656.10 : x
  2. Step 2: Convert to fraction form
    8,785.70/13,166.55 = 5,656.10/x
  3. Step 3: Cross multiply
    8,785.70x = 13,166.55 × 5,656.10
  4. Step 4: Simplify right side
    8,785.70x = 74,471,323.46
  5. Step 5: Solve for x
    x = 74,471,323.46/8,785.70
  6. Step 6: Final answer
    x = 8,476.42

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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.