Home / 5,510.88-7,604.63-3,120.17

Finding the Fourth Proportional to 5,510.88, 7,604.63 and 3,120.17

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Solution

The fourth proportional to 5,510.88, 7,604.63 and 3,120.17 is: 4,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.88 : 7,604.63 = 3,120.17 : x
  2. Step 2: Convert to fraction form
    5,510.88/7,604.63 = 3,120.17/x
  3. Step 3: Cross multiply
    5,510.88x = 7,604.63 × 3,120.17
  4. Step 4: Simplify right side
    5,510.88x = 23,727,703.77
  5. Step 5: Solve for x
    x = 23,727,703.77/5,510.88
  6. Step 6: Final answer
    x = 4,305.61

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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.