Home / 5,028.40-7,543.92-1,518.32

Finding the Fourth Proportional to 5,028.40, 7,543.92 and 1,518.32

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Solution

The fourth proportional to 5,028.40, 7,543.92 and 1,518.32 is: 2,277.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.40 : 7,543.92 = 1,518.32 : x
  2. Step 2: Convert to fraction form
    5,028.40/7,543.92 = 1,518.32/x
  3. Step 3: Cross multiply
    5,028.40x = 7,543.92 × 1,518.32
  4. Step 4: Simplify right side
    5,028.40x = 11,454,084.61
  5. Step 5: Solve for x
    x = 11,454,084.61/5,028.40
  6. Step 6: Final answer
    x = 2,277.88

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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.