Home / 6,240.40-8,613.20-4,116.31

Finding the Fourth Proportional to 6,240.40, 8,613.20 and 4,116.31

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Solution

The fourth proportional to 6,240.40, 8,613.20 and 4,116.31 is: 5,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.40 : 8,613.20 = 4,116.31 : x
  2. Step 2: Convert to fraction form
    6,240.40/8,613.20 = 4,116.31/x
  3. Step 3: Cross multiply
    6,240.40x = 8,613.20 × 4,116.31
  4. Step 4: Simplify right side
    6,240.40x = 35,454,601.29
  5. Step 5: Solve for x
    x = 35,454,601.29/6,240.40
  6. Step 6: Final answer
    x = 5,681.46

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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.