Home / 5,325.40-7,348.56-3,087.80

Finding the Fourth Proportional to 5,325.40, 7,348.56 and 3,087.80

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Solution

The fourth proportional to 5,325.40, 7,348.56 and 3,087.80 is: 4,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.40 : 7,348.56 = 3,087.80 : x
  2. Step 2: Convert to fraction form
    5,325.40/7,348.56 = 3,087.80/x
  3. Step 3: Cross multiply
    5,325.40x = 7,348.56 × 3,087.80
  4. Step 4: Simplify right side
    5,325.40x = 22,690,883.57
  5. Step 5: Solve for x
    x = 22,690,883.57/5,325.40
  6. Step 6: Final answer
    x = 4,260.88

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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.