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Finding the Fourth Proportional to 8,384.04, 12,578.80 and 4,000.92

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Solution

The fourth proportional to 8,384.04, 12,578.80 and 4,000.92 is: 6,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.04 : 12,578.80 = 4,000.92 : x
  2. Step 2: Convert to fraction form
    8,384.04/12,578.80 = 4,000.92/x
  3. Step 3: Cross multiply
    8,384.04x = 12,578.80 × 4,000.92
  4. Step 4: Simplify right side
    8,384.04x = 50,326,772.50
  5. Step 5: Solve for x
    x = 50,326,772.50/8,384.04
  6. Step 6: Final answer
    x = 6,002.69

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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.