Home / 7,649.46-11,472.89-2,101.50

Finding the Fourth Proportional to 7,649.46, 11,472.89 and 2,101.50

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Solution

The fourth proportional to 7,649.46, 11,472.89 and 2,101.50 is: 3,151.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.46 : 11,472.89 = 2,101.50 : x
  2. Step 2: Convert to fraction form
    7,649.46/11,472.89 = 2,101.50/x
  3. Step 3: Cross multiply
    7,649.46x = 11,472.89 × 2,101.50
  4. Step 4: Simplify right side
    7,649.46x = 24,110,267.83
  5. Step 5: Solve for x
    x = 24,110,267.83/7,649.46
  6. Step 6: Final answer
    x = 3,151.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.