Home / 5,510.25-8,265.89-1,812.51

Finding the Fourth Proportional to 5,510.25, 8,265.89 and 1,812.51

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Solution

The fourth proportional to 5,510.25, 8,265.89 and 1,812.51 is: 2,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.25 : 8,265.89 = 1,812.51 : x
  2. Step 2: Convert to fraction form
    5,510.25/8,265.89 = 1,812.51/x
  3. Step 3: Cross multiply
    5,510.25x = 8,265.89 × 1,812.51
  4. Step 4: Simplify right side
    5,510.25x = 14,982,008.28
  5. Step 5: Solve for x
    x = 14,982,008.28/5,510.25
  6. Step 6: Final answer
    x = 2,718.93

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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.