Home / 4,380.32-6,570.48-1,781.52

Finding the Fourth Proportional to 4,380.32, 6,570.48 and 1,781.52

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Solution

The fourth proportional to 4,380.32, 6,570.48 and 1,781.52 is: 2,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.32 : 6,570.48 = 1,781.52 : x
  2. Step 2: Convert to fraction form
    4,380.32/6,570.48 = 1,781.52/x
  3. Step 3: Cross multiply
    4,380.32x = 6,570.48 × 1,781.52
  4. Step 4: Simplify right side
    4,380.32x = 11,705,441.53
  5. Step 5: Solve for x
    x = 11,705,441.53/4,380.32
  6. Step 6: Final answer
    x = 2,672.28

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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.