Home / 8,654.13-11,942.91-4,877.46

Finding the Fourth Proportional to 8,654.13, 11,942.91 and 4,877.46

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Solution

The fourth proportional to 8,654.13, 11,942.91 and 4,877.46 is: 6,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.13 : 11,942.91 = 4,877.46 : x
  2. Step 2: Convert to fraction form
    8,654.13/11,942.91 = 4,877.46/x
  3. Step 3: Cross multiply
    8,654.13x = 11,942.91 × 4,877.46
  4. Step 4: Simplify right side
    8,654.13x = 58,251,065.81
  5. Step 5: Solve for x
    x = 58,251,065.81/8,654.13
  6. Step 6: Final answer
    x = 6,731.01

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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.