Home / 7,701.18-11,550.38-2,153.15

Finding the Fourth Proportional to 7,701.18, 11,550.38 and 2,153.15

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Solution

The fourth proportional to 7,701.18, 11,550.38 and 2,153.15 is: 3,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.18 : 11,550.38 = 2,153.15 : x
  2. Step 2: Convert to fraction form
    7,701.18/11,550.38 = 2,153.15/x
  3. Step 3: Cross multiply
    7,701.18x = 11,550.38 × 2,153.15
  4. Step 4: Simplify right side
    7,701.18x = 24,869,675.49
  5. Step 5: Solve for x
    x = 24,869,675.49/7,701.18
  6. Step 6: Final answer
    x = 3,229.33

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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.