Home / 5,247.11-7,870.73-1,549.42

Finding the Fourth Proportional to 5,247.11, 7,870.73 and 1,549.42

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Solution

The fourth proportional to 5,247.11, 7,870.73 and 1,549.42 is: 2,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.11 : 7,870.73 = 1,549.42 : x
  2. Step 2: Convert to fraction form
    5,247.11/7,870.73 = 1,549.42/x
  3. Step 3: Cross multiply
    5,247.11x = 7,870.73 × 1,549.42
  4. Step 4: Simplify right side
    5,247.11x = 12,195,039.05
  5. Step 5: Solve for x
    x = 12,195,039.05/5,247.11
  6. Step 6: Final answer
    x = 2,324.14

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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.