Home / 4,457.90-6,687.78-1,337.78

Finding the Fourth Proportional to 4,457.90, 6,687.78 and 1,337.78

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Solution

The fourth proportional to 4,457.90, 6,687.78 and 1,337.78 is: 2,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.90 : 6,687.78 = 1,337.78 : x
  2. Step 2: Convert to fraction form
    4,457.90/6,687.78 = 1,337.78/x
  3. Step 3: Cross multiply
    4,457.90x = 6,687.78 × 1,337.78
  4. Step 4: Simplify right side
    4,457.90x = 8,946,778.33
  5. Step 5: Solve for x
    x = 8,946,778.33/4,457.90
  6. Step 6: Final answer
    x = 2,006.95

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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.