Home / 6,242.20-8,615.97-3,590.46

Finding the Fourth Proportional to 6,242.20, 8,615.97 and 3,590.46

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Solution

The fourth proportional to 6,242.20, 8,615.97 and 3,590.46 is: 4,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.20 : 8,615.97 = 3,590.46 : x
  2. Step 2: Convert to fraction form
    6,242.20/8,615.97 = 3,590.46/x
  3. Step 3: Cross multiply
    6,242.20x = 8,615.97 × 3,590.46
  4. Step 4: Simplify right side
    6,242.20x = 30,935,295.65
  5. Step 5: Solve for x
    x = 30,935,295.65/6,242.20
  6. Step 6: Final answer
    x = 4,955.83

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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.