Home / 5,287.82-7,925.76-2,510.64

Finding the Fourth Proportional to 5,287.82, 7,925.76 and 2,510.64

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Solution

The fourth proportional to 5,287.82, 7,925.76 and 2,510.64 is: 3,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.82 : 7,925.76 = 2,510.64 : x
  2. Step 2: Convert to fraction form
    5,287.82/7,925.76 = 2,510.64/x
  3. Step 3: Cross multiply
    5,287.82x = 7,925.76 × 2,510.64
  4. Step 4: Simplify right side
    5,287.82x = 19,898,730.09
  5. Step 5: Solve for x
    x = 19,898,730.09/5,287.82
  6. Step 6: Final answer
    x = 3,763.13

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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.