Home / 6,242.79-8,615.91-3,590.13

Finding the Fourth Proportional to 6,242.79, 8,615.91 and 3,590.13

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Solution

The fourth proportional to 6,242.79, 8,615.91 and 3,590.13 is: 4,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.79 : 8,615.91 = 3,590.13 : x
  2. Step 2: Convert to fraction form
    6,242.79/8,615.91 = 3,590.13/x
  3. Step 3: Cross multiply
    6,242.79x = 8,615.91 × 3,590.13
  4. Step 4: Simplify right side
    6,242.79x = 30,932,236.97
  5. Step 5: Solve for x
    x = 30,932,236.97/6,242.79
  6. Step 6: Final answer
    x = 4,954.87

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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.