Home / 6,170.78-9,256.02-2,887.55

Finding the Fourth Proportional to 6,170.78, 9,256.02 and 2,887.55

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Solution

The fourth proportional to 6,170.78, 9,256.02 and 2,887.55 is: 4,331.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.78 : 9,256.02 = 2,887.55 : x
  2. Step 2: Convert to fraction form
    6,170.78/9,256.02 = 2,887.55/x
  3. Step 3: Cross multiply
    6,170.78x = 9,256.02 × 2,887.55
  4. Step 4: Simplify right side
    6,170.78x = 26,727,243.69
  5. Step 5: Solve for x
    x = 26,727,243.69/6,170.78
  6. Step 6: Final answer
    x = 4,331.26

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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.