Home / 8,812.66-12,158.14-5,626.08

Finding the Fourth Proportional to 8,812.66, 12,158.14 and 5,626.08

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Solution

The fourth proportional to 8,812.66, 12,158.14 and 5,626.08 is: 7,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.66 : 12,158.14 = 5,626.08 : x
  2. Step 2: Convert to fraction form
    8,812.66/12,158.14 = 5,626.08/x
  3. Step 3: Cross multiply
    8,812.66x = 12,158.14 × 5,626.08
  4. Step 4: Simplify right side
    8,812.66x = 68,402,668.29
  5. Step 5: Solve for x
    x = 68,402,668.29/8,812.66
  6. Step 6: Final answer
    x = 7,761.86

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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.