Home / 8,281.23-12,421.94-2,437.95

Finding the Fourth Proportional to 8,281.23, 12,421.94 and 2,437.95

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Solution

The fourth proportional to 8,281.23, 12,421.94 and 2,437.95 is: 3,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.23 : 12,421.94 = 2,437.95 : x
  2. Step 2: Convert to fraction form
    8,281.23/12,421.94 = 2,437.95/x
  3. Step 3: Cross multiply
    8,281.23x = 12,421.94 × 2,437.95
  4. Step 4: Simplify right side
    8,281.23x = 30,284,056.43
  5. Step 5: Solve for x
    x = 30,284,056.43/8,281.23
  6. Step 6: Final answer
    x = 3,656.95

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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.