Home / 5,298.20-7,311.26-2,908.12

Finding the Fourth Proportional to 5,298.20, 7,311.26 and 2,908.12

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Solution

The fourth proportional to 5,298.20, 7,311.26 and 2,908.12 is: 4,013.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.20 : 7,311.26 = 2,908.12 : x
  2. Step 2: Convert to fraction form
    5,298.20/7,311.26 = 2,908.12/x
  3. Step 3: Cross multiply
    5,298.20x = 7,311.26 × 2,908.12
  4. Step 4: Simplify right side
    5,298.20x = 21,261,993.29
  5. Step 5: Solve for x
    x = 21,261,993.29/5,298.20
  6. Step 6: Final answer
    x = 4,013.06

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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.