Home / 8,869.73-12,239.66-4,890.87

Finding the Fourth Proportional to 8,869.73, 12,239.66 and 4,890.87

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Solution

The fourth proportional to 8,869.73, 12,239.66 and 4,890.87 is: 6,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.73 : 12,239.66 = 4,890.87 : x
  2. Step 2: Convert to fraction form
    8,869.73/12,239.66 = 4,890.87/x
  3. Step 3: Cross multiply
    8,869.73x = 12,239.66 × 4,890.87
  4. Step 4: Simplify right side
    8,869.73x = 59,862,598.13
  5. Step 5: Solve for x
    x = 59,862,598.13/8,869.73
  6. Step 6: Final answer
    x = 6,749.09

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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.