Home / 7,557.66-11,340.20-3,400.61

Finding the Fourth Proportional to 7,557.66, 11,340.20 and 3,400.61

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Solution

The fourth proportional to 7,557.66, 11,340.20 and 3,400.61 is: 5,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.66 : 11,340.20 = 3,400.61 : x
  2. Step 2: Convert to fraction form
    7,557.66/11,340.20 = 3,400.61/x
  3. Step 3: Cross multiply
    7,557.66x = 11,340.20 × 3,400.61
  4. Step 4: Simplify right side
    7,557.66x = 38,563,523.82
  5. Step 5: Solve for x
    x = 38,563,523.82/7,557.66
  6. Step 6: Final answer
    x = 5,102.57

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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.