Home / 5,230.24-7,218.08-3,134.40

Finding the Fourth Proportional to 5,230.24, 7,218.08 and 3,134.40

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Solution

The fourth proportional to 5,230.24, 7,218.08 and 3,134.40 is: 4,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.24 : 7,218.08 = 3,134.40 : x
  2. Step 2: Convert to fraction form
    5,230.24/7,218.08 = 3,134.40/x
  3. Step 3: Cross multiply
    5,230.24x = 7,218.08 × 3,134.40
  4. Step 4: Simplify right side
    5,230.24x = 22,624,349.95
  5. Step 5: Solve for x
    x = 22,624,349.95/5,230.24
  6. Step 6: Final answer
    x = 4,325.68

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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.