Home / 5,238.81-7,230.60-3,002.18

Finding the Fourth Proportional to 5,238.81, 7,230.60 and 3,002.18

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Solution

The fourth proportional to 5,238.81, 7,230.60 and 3,002.18 is: 4,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.81 : 7,230.60 = 3,002.18 : x
  2. Step 2: Convert to fraction form
    5,238.81/7,230.60 = 3,002.18/x
  3. Step 3: Cross multiply
    5,238.81x = 7,230.60 × 3,002.18
  4. Step 4: Simplify right side
    5,238.81x = 21,707,526.56
  5. Step 5: Solve for x
    x = 21,707,526.56/5,238.81
  6. Step 6: Final answer
    x = 4,143.60

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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.