Home / 4,170.72-6,256.02-1,248.90

Finding the Fourth Proportional to 4,170.72, 6,256.02 and 1,248.90

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Solution

The fourth proportional to 4,170.72, 6,256.02 and 1,248.90 is: 1,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.72 : 6,256.02 = 1,248.90 : x
  2. Step 2: Convert to fraction form
    4,170.72/6,256.02 = 1,248.90/x
  3. Step 3: Cross multiply
    4,170.72x = 6,256.02 × 1,248.90
  4. Step 4: Simplify right side
    4,170.72x = 7,813,143.38
  5. Step 5: Solve for x
    x = 7,813,143.38/4,170.72
  6. Step 6: Final answer
    x = 1,873.33

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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.