Home / 7,557.78-11,340.51-3,396.95

Finding the Fourth Proportional to 7,557.78, 11,340.51 and 3,396.95

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Solution

The fourth proportional to 7,557.78, 11,340.51 and 3,396.95 is: 5,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.78 : 11,340.51 = 3,396.95 : x
  2. Step 2: Convert to fraction form
    7,557.78/11,340.51 = 3,396.95/x
  3. Step 3: Cross multiply
    7,557.78x = 11,340.51 × 3,396.95
  4. Step 4: Simplify right side
    7,557.78x = 38,523,145.44
  5. Step 5: Solve for x
    x = 38,523,145.44/7,557.78
  6. Step 6: Final answer
    x = 5,097.15

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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.