Home / 8,281.32-12,422.64-2,437.98

Finding the Fourth Proportional to 8,281.32, 12,422.64 and 2,437.98

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Solution

The fourth proportional to 8,281.32, 12,422.64 and 2,437.98 is: 3,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.32 : 12,422.64 = 2,437.98 : x
  2. Step 2: Convert to fraction form
    8,281.32/12,422.64 = 2,437.98/x
  3. Step 3: Cross multiply
    8,281.32x = 12,422.64 × 2,437.98
  4. Step 4: Simplify right side
    8,281.32x = 30,286,147.87
  5. Step 5: Solve for x
    x = 30,286,147.87/8,281.32
  6. Step 6: Final answer
    x = 3,657.16

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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.