Home / 8,860.38-13,288.41-2,618.70

Finding the Fourth Proportional to 8,860.38, 13,288.41 and 2,618.70

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Solution

The fourth proportional to 8,860.38, 13,288.41 and 2,618.70 is: 3,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.38 : 13,288.41 = 2,618.70 : x
  2. Step 2: Convert to fraction form
    8,860.38/13,288.41 = 2,618.70/x
  3. Step 3: Cross multiply
    8,860.38x = 13,288.41 × 2,618.70
  4. Step 4: Simplify right side
    8,860.38x = 34,798,359.27
  5. Step 5: Solve for x
    x = 34,798,359.27/8,860.38
  6. Step 6: Final answer
    x = 3,927.41

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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.