Home / 7,580.71-11,363.64-3,630.85

Finding the Fourth Proportional to 7,580.71, 11,363.64 and 3,630.85

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Solution

The fourth proportional to 7,580.71, 11,363.64 and 3,630.85 is: 5,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.71 : 11,363.64 = 3,630.85 : x
  2. Step 2: Convert to fraction form
    7,580.71/11,363.64 = 3,630.85/x
  3. Step 3: Cross multiply
    7,580.71x = 11,363.64 × 3,630.85
  4. Step 4: Simplify right side
    7,580.71x = 41,259,672.29
  5. Step 5: Solve for x
    x = 41,259,672.29/7,580.71
  6. Step 6: Final answer
    x = 5,442.72

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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.