Home / 6,738.19-9,298.81-3,867.39

Finding the Fourth Proportional to 6,738.19, 9,298.81 and 3,867.39

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Solution

The fourth proportional to 6,738.19, 9,298.81 and 3,867.39 is: 5,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.19 : 9,298.81 = 3,867.39 : x
  2. Step 2: Convert to fraction form
    6,738.19/9,298.81 = 3,867.39/x
  3. Step 3: Cross multiply
    6,738.19x = 9,298.81 × 3,867.39
  4. Step 4: Simplify right side
    6,738.19x = 35,962,124.81
  5. Step 5: Solve for x
    x = 35,962,124.81/6,738.19
  6. Step 6: Final answer
    x = 5,337.06

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Double scale
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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.