Home / 4,520.64-6,781.95-1,357.94

Finding the Fourth Proportional to 4,520.64, 6,781.95 and 1,357.94

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Solution

The fourth proportional to 4,520.64, 6,781.95 and 1,357.94 is: 2,037.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.64 : 6,781.95 = 1,357.94 : x
  2. Step 2: Convert to fraction form
    4,520.64/6,781.95 = 1,357.94/x
  3. Step 3: Cross multiply
    4,520.64x = 6,781.95 × 1,357.94
  4. Step 4: Simplify right side
    4,520.64x = 9,209,481.18
  5. Step 5: Solve for x
    x = 9,209,481.18/4,520.64
  6. Step 6: Final answer
    x = 2,037.21

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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.