Home / 6,422.80-8,851.18-4,627.10

Finding the Fourth Proportional to 6,422.80, 8,851.18 and 4,627.10

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Solution

The fourth proportional to 6,422.80, 8,851.18 and 4,627.10 is: 6,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.80 : 8,851.18 = 4,627.10 : x
  2. Step 2: Convert to fraction form
    6,422.80/8,851.18 = 4,627.10/x
  3. Step 3: Cross multiply
    6,422.80x = 8,851.18 × 4,627.10
  4. Step 4: Simplify right side
    6,422.80x = 40,955,294.98
  5. Step 5: Solve for x
    x = 40,955,294.98/6,422.80
  6. Step 6: Final answer
    x = 6,376.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.