Home / 5,320.59-7,969-3,856.38

Finding the Fourth Proportional to 5,320.59, 7,969 and 3,856.38

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Solution

The fourth proportional to 5,320.59, 7,969 and 3,856.38 is: 5,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.59 : 7,969 = 3,856.38 : x
  2. Step 2: Convert to fraction form
    5,320.59/7,969 = 3,856.38/x
  3. Step 3: Cross multiply
    5,320.59x = 7,969 × 3,856.38
  4. Step 4: Simplify right side
    5,320.59x = 30,731,492.22
  5. Step 5: Solve for x
    x = 30,731,492.22/5,320.59
  6. Step 6: Final answer
    x = 5,775.96

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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.