Home / 6,436.60-9,657.91-2,279.75

Finding the Fourth Proportional to 6,436.60, 9,657.91 and 2,279.75

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Solution

The fourth proportional to 6,436.60, 9,657.91 and 2,279.75 is: 3,420.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.60 : 9,657.91 = 2,279.75 : x
  2. Step 2: Convert to fraction form
    6,436.60/9,657.91 = 2,279.75/x
  3. Step 3: Cross multiply
    6,436.60x = 9,657.91 × 2,279.75
  4. Step 4: Simplify right side
    6,436.60x = 22,017,572.03
  5. Step 5: Solve for x
    x = 22,017,572.03/6,436.60
  6. Step 6: Final answer
    x = 3,420.69

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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.