Home / 5,346.08-7,377.38-3,107.84

Finding the Fourth Proportional to 5,346.08, 7,377.38 and 3,107.84

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Solution

The fourth proportional to 5,346.08, 7,377.38 and 3,107.84 is: 4,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.08 : 7,377.38 = 3,107.84 : x
  2. Step 2: Convert to fraction form
    5,346.08/7,377.38 = 3,107.84/x
  3. Step 3: Cross multiply
    5,346.08x = 7,377.38 × 3,107.84
  4. Step 4: Simplify right side
    5,346.08x = 22,927,716.66
  5. Step 5: Solve for x
    x = 22,927,716.66/5,346.08
  6. Step 6: Final answer
    x = 4,288.70

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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.