Home / 8,264.18-12,394.45-2,421.25

Finding the Fourth Proportional to 8,264.18, 12,394.45 and 2,421.25

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Solution

The fourth proportional to 8,264.18, 12,394.45 and 2,421.25 is: 3,631.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.18 : 12,394.45 = 2,421.25 : x
  2. Step 2: Convert to fraction form
    8,264.18/12,394.45 = 2,421.25/x
  3. Step 3: Cross multiply
    8,264.18x = 12,394.45 × 2,421.25
  4. Step 4: Simplify right side
    8,264.18x = 30,010,034.10
  5. Step 5: Solve for x
    x = 30,010,034.10/8,264.18
  6. Step 6: Final answer
    x = 3,631.34

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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.