Home / 7,787.97-10,747.41-4,993.47

Finding the Fourth Proportional to 7,787.97, 10,747.41 and 4,993.47

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Solution

The fourth proportional to 7,787.97, 10,747.41 and 4,993.47 is: 6,891.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.97 : 10,747.41 = 4,993.47 : x
  2. Step 2: Convert to fraction form
    7,787.97/10,747.41 = 4,993.47/x
  3. Step 3: Cross multiply
    7,787.97x = 10,747.41 × 4,993.47
  4. Step 4: Simplify right side
    7,787.97x = 53,666,869.41
  5. Step 5: Solve for x
    x = 53,666,869.41/7,787.97
  6. Step 6: Final answer
    x = 6,891.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.