Home / 6,436.64-9,655.65-2,279.06

Finding the Fourth Proportional to 6,436.64, 9,655.65 and 2,279.06

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Solution

The fourth proportional to 6,436.64, 9,655.65 and 2,279.06 is: 3,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.64 : 9,655.65 = 2,279.06 : x
  2. Step 2: Convert to fraction form
    6,436.64/9,655.65 = 2,279.06/x
  3. Step 3: Cross multiply
    6,436.64x = 9,655.65 × 2,279.06
  4. Step 4: Simplify right side
    6,436.64x = 22,005,805.69
  5. Step 5: Solve for x
    x = 22,005,805.69/6,436.64
  6. Step 6: Final answer
    x = 3,418.83

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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.