Home / 9,207.40-13,811.08-2,281.90

Finding the Fourth Proportional to 9,207.40, 13,811.08 and 2,281.90

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Solution

The fourth proportional to 9,207.40, 13,811.08 and 2,281.90 is: 3,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.40 : 13,811.08 = 2,281.90 : x
  2. Step 2: Convert to fraction form
    9,207.40/13,811.08 = 2,281.90/x
  3. Step 3: Cross multiply
    9,207.40x = 13,811.08 × 2,281.90
  4. Step 4: Simplify right side
    9,207.40x = 31,515,503.45
  5. Step 5: Solve for x
    x = 31,515,503.45/9,207.40
  6. Step 6: Final answer
    x = 3,422.85

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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.