Home / 8,510.32-12,758.60-3,826.90

Finding the Fourth Proportional to 8,510.32, 12,758.60 and 3,826.90

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Solution

The fourth proportional to 8,510.32, 12,758.60 and 3,826.90 is: 5,737.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.32 : 12,758.60 = 3,826.90 : x
  2. Step 2: Convert to fraction form
    8,510.32/12,758.60 = 3,826.90/x
  3. Step 3: Cross multiply
    8,510.32x = 12,758.60 × 3,826.90
  4. Step 4: Simplify right side
    8,510.32x = 48,825,867.21
  5. Step 5: Solve for x
    x = 48,825,867.21/8,510.32
  6. Step 6: Final answer
    x = 5,737.25

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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.