Home / 6,454.20-8,899.02-4,963.80

Finding the Fourth Proportional to 6,454.20, 8,899.02 and 4,963.80

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Solution

The fourth proportional to 6,454.20, 8,899.02 and 4,963.80 is: 6,844.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.20 : 8,899.02 = 4,963.80 : x
  2. Step 2: Convert to fraction form
    6,454.20/8,899.02 = 4,963.80/x
  3. Step 3: Cross multiply
    6,454.20x = 8,899.02 × 4,963.80
  4. Step 4: Simplify right side
    6,454.20x = 44,172,955.48
  5. Step 5: Solve for x
    x = 44,172,955.48/6,454.20
  6. Step 6: Final answer
    x = 6,844.06

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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.