Home / 5,510.31-7,604.21-2,992.40

Finding the Fourth Proportional to 5,510.31, 7,604.21 and 2,992.40

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Solution

The fourth proportional to 5,510.31, 7,604.21 and 2,992.40 is: 4,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.31 : 7,604.21 = 2,992.40 : x
  2. Step 2: Convert to fraction form
    5,510.31/7,604.21 = 2,992.40/x
  3. Step 3: Cross multiply
    5,510.31x = 7,604.21 × 2,992.40
  4. Step 4: Simplify right side
    5,510.31x = 22,754,861.92
  5. Step 5: Solve for x
    x = 22,754,861.92/5,510.31
  6. Step 6: Final answer
    x = 4,129.51

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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.