Home / 6,614.74-9,128.45-3,630.85

Finding the Fourth Proportional to 6,614.74, 9,128.45 and 3,630.85

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Solution

The fourth proportional to 6,614.74, 9,128.45 and 3,630.85 is: 5,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.74 : 9,128.45 = 3,630.85 : x
  2. Step 2: Convert to fraction form
    6,614.74/9,128.45 = 3,630.85/x
  3. Step 3: Cross multiply
    6,614.74x = 9,128.45 × 3,630.85
  4. Step 4: Simplify right side
    6,614.74x = 33,144,018.94
  5. Step 5: Solve for x
    x = 33,144,018.94/6,614.74
  6. Step 6: Final answer
    x = 5,010.63

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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.