Home / 8,288.65-11,438.17-4,511.90

Finding the Fourth Proportional to 8,288.65, 11,438.17 and 4,511.90

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Solution

The fourth proportional to 8,288.65, 11,438.17 and 4,511.90 is: 6,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.65 : 11,438.17 = 4,511.90 : x
  2. Step 2: Convert to fraction form
    8,288.65/11,438.17 = 4,511.90/x
  3. Step 3: Cross multiply
    8,288.65x = 11,438.17 × 4,511.90
  4. Step 4: Simplify right side
    8,288.65x = 51,607,870.57
  5. Step 5: Solve for x
    x = 51,607,870.57/8,288.65
  6. Step 6: Final answer
    x = 6,226.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.