Home / 7,547.88-11,310.28-3,162.95

Finding the Fourth Proportional to 7,547.88, 11,310.28 and 3,162.95

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Solution

The fourth proportional to 7,547.88, 11,310.28 and 3,162.95 is: 4,739.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547.88 : 11,310.28 = 3,162.95 : x
  2. Step 2: Convert to fraction form
    7,547.88/11,310.28 = 3,162.95/x
  3. Step 3: Cross multiply
    7,547.88x = 11,310.28 × 3,162.95
  4. Step 4: Simplify right side
    7,547.88x = 35,773,845.87
  5. Step 5: Solve for x
    x = 35,773,845.87/7,547.88
  6. Step 6: Final answer
    x = 4,739.59

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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.