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Finding the Fourth Proportional to 5,346.68, 7,354.98 and 4,349.78

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Solution

The fourth proportional to 5,346.68, 7,354.98 and 4,349.78 is: 5,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.68 : 7,354.98 = 4,349.78 : x
  2. Step 2: Convert to fraction form
    5,346.68/7,354.98 = 4,349.78/x
  3. Step 3: Cross multiply
    5,346.68x = 7,354.98 × 4,349.78
  4. Step 4: Simplify right side
    5,346.68x = 31,992,544.90
  5. Step 5: Solve for x
    x = 31,992,544.90/5,346.68
  6. Step 6: Final answer
    x = 5,983.63

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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.