Home / 7,967.11-11,952.59-2,420.13

Finding the Fourth Proportional to 7,967.11, 11,952.59 and 2,420.13

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Solution

The fourth proportional to 7,967.11, 11,952.59 and 2,420.13 is: 3,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.11 : 11,952.59 = 2,420.13 : x
  2. Step 2: Convert to fraction form
    7,967.11/11,952.59 = 2,420.13/x
  3. Step 3: Cross multiply
    7,967.11x = 11,952.59 × 2,420.13
  4. Step 4: Simplify right side
    7,967.11x = 28,926,821.64
  5. Step 5: Solve for x
    x = 28,926,821.64/7,967.11
  6. Step 6: Final answer
    x = 3,630.78

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1.5x scale

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.