Home / 8,869.22-12,239.10-5,089.76

Finding the Fourth Proportional to 8,869.22, 12,239.10 and 5,089.76

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Solution

The fourth proportional to 8,869.22, 12,239.10 and 5,089.76 is: 7,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.22 : 12,239.10 = 5,089.76 : x
  2. Step 2: Convert to fraction form
    8,869.22/12,239.10 = 5,089.76/x
  3. Step 3: Cross multiply
    8,869.22x = 12,239.10 × 5,089.76
  4. Step 4: Simplify right side
    8,869.22x = 62,294,020.42
  5. Step 5: Solve for x
    x = 62,294,020.42/8,869.22
  6. Step 6: Final answer
    x = 7,023.62

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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.