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Finding the Fourth Proportional to 5,155.66, 7,733.63 and 2,384.65

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Solution

The fourth proportional to 5,155.66, 7,733.63 and 2,384.65 is: 3,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.66 : 7,733.63 = 2,384.65 : x
  2. Step 2: Convert to fraction form
    5,155.66/7,733.63 = 2,384.65/x
  3. Step 3: Cross multiply
    5,155.66x = 7,733.63 × 2,384.65
  4. Step 4: Simplify right side
    5,155.66x = 18,442,000.78
  5. Step 5: Solve for x
    x = 18,442,000.78/5,155.66
  6. Step 6: Final answer
    x = 3,577.04

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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.