Home / 7,948.24-11,918.24-3,267.40

Finding the Fourth Proportional to 7,948.24, 11,918.24 and 3,267.40

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Solution

The fourth proportional to 7,948.24, 11,918.24 and 3,267.40 is: 4,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.24 : 11,918.24 = 3,267.40 : x
  2. Step 2: Convert to fraction form
    7,948.24/11,918.24 = 3,267.40/x
  3. Step 3: Cross multiply
    7,948.24x = 11,918.24 × 3,267.40
  4. Step 4: Simplify right side
    7,948.24x = 38,941,657.38
  5. Step 5: Solve for x
    x = 38,941,657.38/7,948.24
  6. Step 6: Final answer
    x = 4,899.41

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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.