Home / 7,328.94-10,113.92-3,971.76

Finding the Fourth Proportional to 7,328.94, 10,113.92 and 3,971.76

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Solution

The fourth proportional to 7,328.94, 10,113.92 and 3,971.76 is: 5,481.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.94 : 10,113.92 = 3,971.76 : x
  2. Step 2: Convert to fraction form
    7,328.94/10,113.92 = 3,971.76/x
  3. Step 3: Cross multiply
    7,328.94x = 10,113.92 × 3,971.76
  4. Step 4: Simplify right side
    7,328.94x = 40,170,062.90
  5. Step 5: Solve for x
    x = 40,170,062.90/7,328.94
  6. Step 6: Final answer
    x = 5,481.02

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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.