Home / 6,431.02-8,869.80-4,305.88

Finding the Fourth Proportional to 6,431.02, 8,869.80 and 4,305.88

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Solution

The fourth proportional to 6,431.02, 8,869.80 and 4,305.88 is: 5,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.02 : 8,869.80 = 4,305.88 : x
  2. Step 2: Convert to fraction form
    6,431.02/8,869.80 = 4,305.88/x
  3. Step 3: Cross multiply
    6,431.02x = 8,869.80 × 4,305.88
  4. Step 4: Simplify right side
    6,431.02x = 38,192,250.08
  5. Step 5: Solve for x
    x = 38,192,250.08/6,431.02
  6. Step 6: Final answer
    x = 5,938.75

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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.