Home / 8,749.80-13,116.35-2,902.32

Finding the Fourth Proportional to 8,749.80, 13,116.35 and 2,902.32

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Solution

The fourth proportional to 8,749.80, 13,116.35 and 2,902.32 is: 4,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.80 : 13,116.35 = 2,902.32 : x
  2. Step 2: Convert to fraction form
    8,749.80/13,116.35 = 2,902.32/x
  3. Step 3: Cross multiply
    8,749.80x = 13,116.35 × 2,902.32
  4. Step 4: Simplify right side
    8,749.80x = 38,067,830.42
  5. Step 5: Solve for x
    x = 38,067,830.42/8,749.80
  6. Step 6: Final answer
    x = 4,350.71

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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.