Home / 8,769.04-13,142.60-4,387.74

Finding the Fourth Proportional to 8,769.04, 13,142.60 and 4,387.74

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Solution

The fourth proportional to 8,769.04, 13,142.60 and 4,387.74 is: 6,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.04 : 13,142.60 = 4,387.74 : x
  2. Step 2: Convert to fraction form
    8,769.04/13,142.60 = 4,387.74/x
  3. Step 3: Cross multiply
    8,769.04x = 13,142.60 × 4,387.74
  4. Step 4: Simplify right side
    8,769.04x = 57,666,311.72
  5. Step 5: Solve for x
    x = 57,666,311.72/8,769.04
  6. Step 6: Final answer
    x = 6,576.13

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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.