Home / 7,248.10-10,871.79-4,247.81

Finding the Fourth Proportional to 7,248.10, 10,871.79 and 4,247.81

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Solution

The fourth proportional to 7,248.10, 10,871.79 and 4,247.81 is: 6,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.10 : 10,871.79 = 4,247.81 : x
  2. Step 2: Convert to fraction form
    7,248.10/10,871.79 = 4,247.81/x
  3. Step 3: Cross multiply
    7,248.10x = 10,871.79 × 4,247.81
  4. Step 4: Simplify right side
    7,248.10x = 46,181,308.90
  5. Step 5: Solve for x
    x = 46,181,308.90/7,248.10
  6. Step 6: Final answer
    x = 6,371.51

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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.