Home / 7,308.28-10,961.47-2,925.78

Finding the Fourth Proportional to 7,308.28, 10,961.47 and 2,925.78

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Solution

The fourth proportional to 7,308.28, 10,961.47 and 2,925.78 is: 4,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.28 : 10,961.47 = 2,925.78 : x
  2. Step 2: Convert to fraction form
    7,308.28/10,961.47 = 2,925.78/x
  3. Step 3: Cross multiply
    7,308.28x = 10,961.47 × 2,925.78
  4. Step 4: Simplify right side
    7,308.28x = 32,070,849.70
  5. Step 5: Solve for x
    x = 32,070,849.70/7,308.28
  6. Step 6: Final answer
    x = 4,388.29

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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.