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Finding the Fourth Proportional to 8,762.77, 13,118.64 and 4,592.89

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Solution

The fourth proportional to 8,762.77, 13,118.64 and 4,592.89 is: 6,875.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.77 : 13,118.64 = 4,592.89 : x
  2. Step 2: Convert to fraction form
    8,762.77/13,118.64 = 4,592.89/x
  3. Step 3: Cross multiply
    8,762.77x = 13,118.64 × 4,592.89
  4. Step 4: Simplify right side
    8,762.77x = 60,252,470.47
  5. Step 5: Solve for x
    x = 60,252,470.47/8,762.77
  6. Step 6: Final answer
    x = 6,875.96

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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.