Home / 4,980.52-7,471.88-1,518.04

Finding the Fourth Proportional to 4,980.52, 7,471.88 and 1,518.04

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Solution

The fourth proportional to 4,980.52, 7,471.88 and 1,518.04 is: 2,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.52 : 7,471.88 = 1,518.04 : x
  2. Step 2: Convert to fraction form
    4,980.52/7,471.88 = 1,518.04/x
  3. Step 3: Cross multiply
    4,980.52x = 7,471.88 × 1,518.04
  4. Step 4: Simplify right side
    4,980.52x = 11,342,612.72
  5. Step 5: Solve for x
    x = 11,342,612.72/4,980.52
  6. Step 6: Final answer
    x = 2,277.40

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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.