Home / 5,713.96-7,885.38-3,356.68

Finding the Fourth Proportional to 5,713.96, 7,885.38 and 3,356.68

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Solution

The fourth proportional to 5,713.96, 7,885.38 and 3,356.68 is: 4,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.96 : 7,885.38 = 3,356.68 : x
  2. Step 2: Convert to fraction form
    5,713.96/7,885.38 = 3,356.68/x
  3. Step 3: Cross multiply
    5,713.96x = 7,885.38 × 3,356.68
  4. Step 4: Simplify right side
    5,713.96x = 26,468,697.34
  5. Step 5: Solve for x
    x = 26,468,697.34/5,713.96
  6. Step 6: Final answer
    x = 4,632.29

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Half scale
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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.