Home / 7,487.28-11,230.92-4,157.58

Finding the Fourth Proportional to 7,487.28, 11,230.92 and 4,157.58

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Solution

The fourth proportional to 7,487.28, 11,230.92 and 4,157.58 is: 6,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.28 : 11,230.92 = 4,157.58 : x
  2. Step 2: Convert to fraction form
    7,487.28/11,230.92 = 4,157.58/x
  3. Step 3: Cross multiply
    7,487.28x = 11,230.92 × 4,157.58
  4. Step 4: Simplify right side
    7,487.28x = 46,693,448.37
  5. Step 5: Solve for x
    x = 46,693,448.37/7,487.28
  6. Step 6: Final answer
    x = 6,236.37

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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.