Home / 5,247.28-7,238.96-3,008.64

Finding the Fourth Proportional to 5,247.28, 7,238.96 and 3,008.64

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Solution

The fourth proportional to 5,247.28, 7,238.96 and 3,008.64 is: 4,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.28 : 7,238.96 = 3,008.64 : x
  2. Step 2: Convert to fraction form
    5,247.28/7,238.96 = 3,008.64/x
  3. Step 3: Cross multiply
    5,247.28x = 7,238.96 × 3,008.64
  4. Step 4: Simplify right side
    5,247.28x = 21,779,409.57
  5. Step 5: Solve for x
    x = 21,779,409.57/5,247.28
  6. Step 6: Final answer
    x = 4,150.61

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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.