Home / 5,510.03-7,604.18-3,120.63

Finding the Fourth Proportional to 5,510.03, 7,604.18 and 3,120.63

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Solution

The fourth proportional to 5,510.03, 7,604.18 and 3,120.63 is: 4,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.03 : 7,604.18 = 3,120.63 : x
  2. Step 2: Convert to fraction form
    5,510.03/7,604.18 = 3,120.63/x
  3. Step 3: Cross multiply
    5,510.03x = 7,604.18 × 3,120.63
  4. Step 4: Simplify right side
    5,510.03x = 23,729,799.82
  5. Step 5: Solve for x
    x = 23,729,799.82/5,510.03
  6. Step 6: Final answer
    x = 4,306.66

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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.