Home / 6,129.27-8,463.23-4,930.40

Finding the Fourth Proportional to 6,129.27, 8,463.23 and 4,930.40

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Solution

The fourth proportional to 6,129.27, 8,463.23 and 4,930.40 is: 6,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.27 : 8,463.23 = 4,930.40 : x
  2. Step 2: Convert to fraction form
    6,129.27/8,463.23 = 4,930.40/x
  3. Step 3: Cross multiply
    6,129.27x = 8,463.23 × 4,930.40
  4. Step 4: Simplify right side
    6,129.27x = 41,727,042.22
  5. Step 5: Solve for x
    x = 41,727,042.22/6,129.27
  6. Step 6: Final answer
    x = 6,807.83

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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.