Home / 7,718.26-11,574.97-2,787.25

Finding the Fourth Proportional to 7,718.26, 11,574.97 and 2,787.25

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Solution

The fourth proportional to 7,718.26, 11,574.97 and 2,787.25 is: 4,180.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.26 : 11,574.97 = 2,787.25 : x
  2. Step 2: Convert to fraction form
    7,718.26/11,574.97 = 2,787.25/x
  3. Step 3: Cross multiply
    7,718.26x = 11,574.97 × 2,787.25
  4. Step 4: Simplify right side
    7,718.26x = 32,262,335.13
  5. Step 5: Solve for x
    x = 32,262,335.13/7,718.26
  6. Step 6: Final answer
    x = 4,180.00

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1.5x scale

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.