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Finding the Fourth Proportional to 8,510.58, 12,772.11 and 5,587.86

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Solution

The fourth proportional to 8,510.58, 12,772.11 and 5,587.86 is: 8,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.58 : 12,772.11 = 5,587.86 : x
  2. Step 2: Convert to fraction form
    8,510.58/12,772.11 = 5,587.86/x
  3. Step 3: Cross multiply
    8,510.58x = 12,772.11 × 5,587.86
  4. Step 4: Simplify right side
    8,510.58x = 71,368,762.58
  5. Step 5: Solve for x
    x = 71,368,762.58/8,510.58
  6. Step 6: Final answer
    x = 8,385.89

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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.