Home / 9,813.38-14,719.91-2,417.90

Finding the Fourth Proportional to 9,813.38, 14,719.91 and 2,417.90

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Solution

The fourth proportional to 9,813.38, 14,719.91 and 2,417.90 is: 3,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.38 : 14,719.91 = 2,417.90 : x
  2. Step 2: Convert to fraction form
    9,813.38/14,719.91 = 2,417.90/x
  3. Step 3: Cross multiply
    9,813.38x = 14,719.91 × 2,417.90
  4. Step 4: Simplify right side
    9,813.38x = 35,591,184.70
  5. Step 5: Solve for x
    x = 35,591,184.70/9,813.38
  6. Step 6: Final answer
    x = 3,626.80

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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.