Home / 6,431.27-8,870.14-4,306.12

Finding the Fourth Proportional to 6,431.27, 8,870.14 and 4,306.12

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Solution

The fourth proportional to 6,431.27, 8,870.14 and 4,306.12 is: 5,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.27 : 8,870.14 = 4,306.12 : x
  2. Step 2: Convert to fraction form
    6,431.27/8,870.14 = 4,306.12/x
  3. Step 3: Cross multiply
    6,431.27x = 8,870.14 × 4,306.12
  4. Step 4: Simplify right side
    6,431.27x = 38,195,887.26
  5. Step 5: Solve for x
    x = 38,195,887.26/6,431.27
  6. Step 6: Final answer
    x = 5,939.09

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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.