Home / 7,701.62-11,552.22-2,155.36

Finding the Fourth Proportional to 7,701.62, 11,552.22 and 2,155.36

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Solution

The fourth proportional to 7,701.62, 11,552.22 and 2,155.36 is: 3,232.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,701.62 : 11,552.22 = 2,155.36 : x
  2. Step 2: Convert to fraction form
    7,701.62/11,552.22 = 2,155.36/x
  3. Step 3: Cross multiply
    7,701.62x = 11,552.22 × 2,155.36
  4. Step 4: Simplify right side
    7,701.62x = 24,899,192.90
  5. Step 5: Solve for x
    x = 24,899,192.90/7,701.62
  6. Step 6: Final answer
    x = 3,232.98

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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.