Home / 5,104.75-7,658.95-2,509.51

Finding the Fourth Proportional to 5,104.75, 7,658.95 and 2,509.51

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Solution

The fourth proportional to 5,104.75, 7,658.95 and 2,509.51 is: 3,765.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.75 : 7,658.95 = 2,509.51 : x
  2. Step 2: Convert to fraction form
    5,104.75/7,658.95 = 2,509.51/x
  3. Step 3: Cross multiply
    5,104.75x = 7,658.95 × 2,509.51
  4. Step 4: Simplify right side
    5,104.75x = 19,220,211.61
  5. Step 5: Solve for x
    x = 19,220,211.61/5,104.75
  6. Step 6: Final answer
    x = 3,765.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.