Home / 5,151.02-7,720.56-2,371.86

Finding the Fourth Proportional to 5,151.02, 7,720.56 and 2,371.86

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Solution

The fourth proportional to 5,151.02, 7,720.56 and 2,371.86 is: 3,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.02 : 7,720.56 = 2,371.86 : x
  2. Step 2: Convert to fraction form
    5,151.02/7,720.56 = 2,371.86/x
  3. Step 3: Cross multiply
    5,151.02x = 7,720.56 × 2,371.86
  4. Step 4: Simplify right side
    5,151.02x = 18,312,087.44
  5. Step 5: Solve for x
    x = 18,312,087.44/5,151.02
  6. Step 6: Final answer
    x = 3,555.04

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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.