Home / 5,340.60-7,360.98-3,747.72

Finding the Fourth Proportional to 5,340.60, 7,360.98 and 3,747.72

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Solution

The fourth proportional to 5,340.60, 7,360.98 and 3,747.72 is: 5,165.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.60 : 7,360.98 = 3,747.72 : x
  2. Step 2: Convert to fraction form
    5,340.60/7,360.98 = 3,747.72/x
  3. Step 3: Cross multiply
    5,340.60x = 7,360.98 × 3,747.72
  4. Step 4: Simplify right side
    5,340.60x = 27,586,891.97
  5. Step 5: Solve for x
    x = 27,586,891.97/5,340.60
  6. Step 6: Final answer
    x = 5,165.50

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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.