Home / 4,637.68-6,947.26-2,787.80

Finding the Fourth Proportional to 4,637.68, 6,947.26 and 2,787.80

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Solution

The fourth proportional to 4,637.68, 6,947.26 and 2,787.80 is: 4,176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637.68 : 6,947.26 = 2,787.80 : x
  2. Step 2: Convert to fraction form
    4,637.68/6,947.26 = 2,787.80/x
  3. Step 3: Cross multiply
    4,637.68x = 6,947.26 × 2,787.80
  4. Step 4: Simplify right side
    4,637.68x = 19,367,529.72
  5. Step 5: Solve for x
    x = 19,367,529.72/4,637.68
  6. Step 6: Final answer
    x = 4,176.13

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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.