Home / 5,313.59-7,961.15-3,728.95

Finding the Fourth Proportional to 5,313.59, 7,961.15 and 3,728.95

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Solution

The fourth proportional to 5,313.59, 7,961.15 and 3,728.95 is: 5,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.59 : 7,961.15 = 3,728.95 : x
  2. Step 2: Convert to fraction form
    5,313.59/7,961.15 = 3,728.95/x
  3. Step 3: Cross multiply
    5,313.59x = 7,961.15 × 3,728.95
  4. Step 4: Simplify right side
    5,313.59x = 29,686,730.29
  5. Step 5: Solve for x
    x = 29,686,730.29/5,313.59
  6. Step 6: Final answer
    x = 5,586.94

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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.