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Finding the Fourth Proportional to 5,807.22, 8,013.99 and 3,154.65

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Solution

The fourth proportional to 5,807.22, 8,013.99 and 3,154.65 is: 4,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.22 : 8,013.99 = 3,154.65 : x
  2. Step 2: Convert to fraction form
    5,807.22/8,013.99 = 3,154.65/x
  3. Step 3: Cross multiply
    5,807.22x = 8,013.99 × 3,154.65
  4. Step 4: Simplify right side
    5,807.22x = 25,281,333.55
  5. Step 5: Solve for x
    x = 25,281,333.55/5,807.22
  6. Step 6: Final answer
    x = 4,353.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.