Home / 5,134.30-7,697.40-2,210.20

Finding the Fourth Proportional to 5,134.30, 7,697.40 and 2,210.20

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Solution

The fourth proportional to 5,134.30, 7,697.40 and 2,210.20 is: 3,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.30 : 7,697.40 = 2,210.20 : x
  2. Step 2: Convert to fraction form
    5,134.30/7,697.40 = 2,210.20/x
  3. Step 3: Cross multiply
    5,134.30x = 7,697.40 × 2,210.20
  4. Step 4: Simplify right side
    5,134.30x = 17,012,793.48
  5. Step 5: Solve for x
    x = 17,012,793.48/5,134.30
  6. Step 6: Final answer
    x = 3,313.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.