Home / 5,208.75-7,811.91-1,510.16

Finding the Fourth Proportional to 5,208.75, 7,811.91 and 1,510.16

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Solution

The fourth proportional to 5,208.75, 7,811.91 and 1,510.16 is: 2,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.75 : 7,811.91 = 1,510.16 : x
  2. Step 2: Convert to fraction form
    5,208.75/7,811.91 = 1,510.16/x
  3. Step 3: Cross multiply
    5,208.75x = 7,811.91 × 1,510.16
  4. Step 4: Simplify right side
    5,208.75x = 11,797,194.95
  5. Step 5: Solve for x
    x = 11,797,194.95/5,208.75
  6. Step 6: Final answer
    x = 2,264.88

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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.