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Finding the Fourth Proportional to 8,595.92, 11,862.18 and 5,011.64

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Solution

The fourth proportional to 8,595.92, 11,862.18 and 5,011.64 is: 6,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.92 : 11,862.18 = 5,011.64 : x
  2. Step 2: Convert to fraction form
    8,595.92/11,862.18 = 5,011.64/x
  3. Step 3: Cross multiply
    8,595.92x = 11,862.18 × 5,011.64
  4. Step 4: Simplify right side
    8,595.92x = 59,448,975.78
  5. Step 5: Solve for x
    x = 59,448,975.78/8,595.92
  6. Step 6: Final answer
    x = 6,915.95

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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.