Home / 5,547.70-8,312.91-3,491.38

Finding the Fourth Proportional to 5,547.70, 8,312.91 and 3,491.38

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Solution

The fourth proportional to 5,547.70, 8,312.91 and 3,491.38 is: 5,231.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.70 : 8,312.91 = 3,491.38 : x
  2. Step 2: Convert to fraction form
    5,547.70/8,312.91 = 3,491.38/x
  3. Step 3: Cross multiply
    5,547.70x = 8,312.91 × 3,491.38
  4. Step 4: Simplify right side
    5,547.70x = 29,023,527.72
  5. Step 5: Solve for x
    x = 29,023,527.72/5,547.70
  6. Step 6: Final answer
    x = 5,231.63

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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.