Home / 6,243.66-8,615.61-3,590.55

Finding the Fourth Proportional to 6,243.66, 8,615.61 and 3,590.55

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Solution

The fourth proportional to 6,243.66, 8,615.61 and 3,590.55 is: 4,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.66 : 8,615.61 = 3,590.55 : x
  2. Step 2: Convert to fraction form
    6,243.66/8,615.61 = 3,590.55/x
  3. Step 3: Cross multiply
    6,243.66x = 8,615.61 × 3,590.55
  4. Step 4: Simplify right side
    6,243.66x = 30,934,778.49
  5. Step 5: Solve for x
    x = 30,934,778.49/6,243.66
  6. Step 6: Final answer
    x = 4,954.59

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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.