Home / 7,257.67-10,015.58-4,113.86

Finding the Fourth Proportional to 7,257.67, 10,015.58 and 4,113.86

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Solution

The fourth proportional to 7,257.67, 10,015.58 and 4,113.86 is: 5,677.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.67 : 10,015.58 = 4,113.86 : x
  2. Step 2: Convert to fraction form
    7,257.67/10,015.58 = 4,113.86/x
  3. Step 3: Cross multiply
    7,257.67x = 10,015.58 × 4,113.86
  4. Step 4: Simplify right side
    7,257.67x = 41,202,654.15
  5. Step 5: Solve for x
    x = 41,202,654.15/7,257.67
  6. Step 6: Final answer
    x = 5,677.12

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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.