Home / 7,557.84-11,340.48-3,400.80

Finding the Fourth Proportional to 7,557.84, 11,340.48 and 3,400.80

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Solution

The fourth proportional to 7,557.84, 11,340.48 and 3,400.80 is: 5,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.84 : 11,340.48 = 3,400.80 : x
  2. Step 2: Convert to fraction form
    7,557.84/11,340.48 = 3,400.80/x
  3. Step 3: Cross multiply
    7,557.84x = 11,340.48 × 3,400.80
  4. Step 4: Simplify right side
    7,557.84x = 38,566,704.38
  5. Step 5: Solve for x
    x = 38,566,704.38/7,557.84
  6. Step 6: Final answer
    x = 5,102.87

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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.