Home / 4,456.78-6,685.18-1,337.12

Finding the Fourth Proportional to 4,456.78, 6,685.18 and 1,337.12

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Solution

The fourth proportional to 4,456.78, 6,685.18 and 1,337.12 is: 2,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.78 : 6,685.18 = 1,337.12 : x
  2. Step 2: Convert to fraction form
    4,456.78/6,685.18 = 1,337.12/x
  3. Step 3: Cross multiply
    4,456.78x = 6,685.18 × 1,337.12
  4. Step 4: Simplify right side
    4,456.78x = 8,938,887.88
  5. Step 5: Solve for x
    x = 8,938,887.88/4,456.78
  6. Step 6: Final answer
    x = 2,005.68

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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.