Home / 8,279.98-12,420.06-2,436.70

Finding the Fourth Proportional to 8,279.98, 12,420.06 and 2,436.70

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Solution

The fourth proportional to 8,279.98, 12,420.06 and 2,436.70 is: 3,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.98 : 12,420.06 = 2,436.70 : x
  2. Step 2: Convert to fraction form
    8,279.98/12,420.06 = 2,436.70/x
  3. Step 3: Cross multiply
    8,279.98x = 12,420.06 × 2,436.70
  4. Step 4: Simplify right side
    8,279.98x = 30,263,960.20
  5. Step 5: Solve for x
    x = 30,263,960.20/8,279.98
  6. Step 6: Final answer
    x = 3,655.08

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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.