Home / 4,253.13-6,378.66-1,787.98

Finding the Fourth Proportional to 4,253.13, 6,378.66 and 1,787.98

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Solution

The fourth proportional to 4,253.13, 6,378.66 and 1,787.98 is: 2,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.13 : 6,378.66 = 1,787.98 : x
  2. Step 2: Convert to fraction form
    4,253.13/6,378.66 = 1,787.98/x
  3. Step 3: Cross multiply
    4,253.13x = 6,378.66 × 1,787.98
  4. Step 4: Simplify right side
    4,253.13x = 11,404,916.51
  5. Step 5: Solve for x
    x = 11,404,916.51/4,253.13
  6. Step 6: Final answer
    x = 2,681.53

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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.