Home / 7,916.28-11,865.14-4,404.63

Finding the Fourth Proportional to 7,916.28, 11,865.14 and 4,404.63

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Solution

The fourth proportional to 7,916.28, 11,865.14 and 4,404.63 is: 6,601.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.28 : 11,865.14 = 4,404.63 : x
  2. Step 2: Convert to fraction form
    7,916.28/11,865.14 = 4,404.63/x
  3. Step 3: Cross multiply
    7,916.28x = 11,865.14 × 4,404.63
  4. Step 4: Simplify right side
    7,916.28x = 52,261,551.60
  5. Step 5: Solve for x
    x = 52,261,551.60/7,916.28
  6. Step 6: Final answer
    x = 6,601.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.