Home / 9,320.38-13,983.65-3,778.39

Finding the Fourth Proportional to 9,320.38, 13,983.65 and 3,778.39

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Solution

The fourth proportional to 9,320.38, 13,983.65 and 3,778.39 is: 5,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.38 : 13,983.65 = 3,778.39 : x
  2. Step 2: Convert to fraction form
    9,320.38/13,983.65 = 3,778.39/x
  3. Step 3: Cross multiply
    9,320.38x = 13,983.65 × 3,778.39
  4. Step 4: Simplify right side
    9,320.38x = 52,835,594.51
  5. Step 5: Solve for x
    x = 52,835,594.51/9,320.38
  6. Step 6: Final answer
    x = 5,668.82

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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.