Home / 5,340.68-7,368.52-3,102.12

Finding the Fourth Proportional to 5,340.68, 7,368.52 and 3,102.12

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Solution

The fourth proportional to 5,340.68, 7,368.52 and 3,102.12 is: 4,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.68 : 7,368.52 = 3,102.12 : x
  2. Step 2: Convert to fraction form
    5,340.68/7,368.52 = 3,102.12/x
  3. Step 3: Cross multiply
    5,340.68x = 7,368.52 × 3,102.12
  4. Step 4: Simplify right side
    5,340.68x = 22,858,052.05
  5. Step 5: Solve for x
    x = 22,858,052.05/5,340.68
  6. Step 6: Final answer
    x = 4,279.99

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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.