Home / 8,812.80-12,158.64-5,036.04

Finding the Fourth Proportional to 8,812.80, 12,158.64 and 5,036.04

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Solution

The fourth proportional to 8,812.80, 12,158.64 and 5,036.04 is: 6,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.80 : 12,158.64 = 5,036.04 : x
  2. Step 2: Convert to fraction form
    8,812.80/12,158.64 = 5,036.04/x
  3. Step 3: Cross multiply
    8,812.80x = 12,158.64 × 5,036.04
  4. Step 4: Simplify right side
    8,812.80x = 61,231,397.39
  5. Step 5: Solve for x
    x = 61,231,397.39/8,812.80
  6. Step 6: Final answer
    x = 6,948.01

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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.