Home / 7,248.57-10,869.35-3,546.47

Finding the Fourth Proportional to 7,248.57, 10,869.35 and 3,546.47

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Solution

The fourth proportional to 7,248.57, 10,869.35 and 3,546.47 is: 5,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.57 : 10,869.35 = 3,546.47 : x
  2. Step 2: Convert to fraction form
    7,248.57/10,869.35 = 3,546.47/x
  3. Step 3: Cross multiply
    7,248.57x = 10,869.35 × 3,546.47
  4. Step 4: Simplify right side
    7,248.57x = 38,547,751.62
  5. Step 5: Solve for x
    x = 38,547,751.62/7,248.57
  6. Step 6: Final answer
    x = 5,317.98

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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.