Home / 8,284.32-12,428.52-2,440.92

Finding the Fourth Proportional to 8,284.32, 12,428.52 and 2,440.92

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Solution

The fourth proportional to 8,284.32, 12,428.52 and 2,440.92 is: 3,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.32 : 12,428.52 = 2,440.92 : x
  2. Step 2: Convert to fraction form
    8,284.32/12,428.52 = 2,440.92/x
  3. Step 3: Cross multiply
    8,284.32x = 12,428.52 × 2,440.92
  4. Step 4: Simplify right side
    8,284.32x = 30,337,023.04
  5. Step 5: Solve for x
    x = 30,337,023.04/8,284.32
  6. Step 6: Final answer
    x = 3,661.98

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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.