Home / 5,150.23-7,718.52-1,860.17

Finding the Fourth Proportional to 5,150.23, 7,718.52 and 1,860.17

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Solution

The fourth proportional to 5,150.23, 7,718.52 and 1,860.17 is: 2,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.23 : 7,718.52 = 1,860.17 : x
  2. Step 2: Convert to fraction form
    5,150.23/7,718.52 = 1,860.17/x
  3. Step 3: Cross multiply
    5,150.23x = 7,718.52 × 1,860.17
  4. Step 4: Simplify right side
    5,150.23x = 14,357,712.04
  5. Step 5: Solve for x
    x = 14,357,712.04/5,150.23
  6. Step 6: Final answer
    x = 2,787.78

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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.