Home / 6,718.29-10,077.42-1,787.93

Finding the Fourth Proportional to 6,718.29, 10,077.42 and 1,787.93

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Solution

The fourth proportional to 6,718.29, 10,077.42 and 1,787.93 is: 2,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.29 : 10,077.42 = 1,787.93 : x
  2. Step 2: Convert to fraction form
    6,718.29/10,077.42 = 1,787.93/x
  3. Step 3: Cross multiply
    6,718.29x = 10,077.42 × 1,787.93
  4. Step 4: Simplify right side
    6,718.29x = 18,017,721.54
  5. Step 5: Solve for x
    x = 18,017,721.54/6,718.29
  6. Step 6: Final answer
    x = 2,681.89

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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.