Home / 5,346.64-7,379.16-3,109.84

Finding the Fourth Proportional to 5,346.64, 7,379.16 and 3,109.84

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Solution

The fourth proportional to 5,346.64, 7,379.16 and 3,109.84 is: 4,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.64 : 7,379.16 = 3,109.84 : x
  2. Step 2: Convert to fraction form
    5,346.64/7,379.16 = 3,109.84/x
  3. Step 3: Cross multiply
    5,346.64x = 7,379.16 × 3,109.84
  4. Step 4: Simplify right side
    5,346.64x = 22,948,006.93
  5. Step 5: Solve for x
    x = 22,948,006.93/5,346.64
  6. Step 6: Final answer
    x = 4,292.04

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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.