Home / 7,965.10-11,960.40-6,335.20

Finding the Fourth Proportional to 7,965.10, 11,960.40 and 6,335.20

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Solution

The fourth proportional to 7,965.10, 11,960.40 and 6,335.20 is: 9,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.10 : 11,960.40 = 6,335.20 : x
  2. Step 2: Convert to fraction form
    7,965.10/11,960.40 = 6,335.20/x
  3. Step 3: Cross multiply
    7,965.10x = 11,960.40 × 6,335.20
  4. Step 4: Simplify right side
    7,965.10x = 75,771,526.08
  5. Step 5: Solve for x
    x = 75,771,526.08/7,965.10
  6. Step 6: Final answer
    x = 9,512.94

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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.