Home / 7,724.84-11,587.25-1,881.41

Finding the Fourth Proportional to 7,724.84, 11,587.25 and 1,881.41

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Solution

The fourth proportional to 7,724.84, 11,587.25 and 1,881.41 is: 2,822.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.84 : 11,587.25 = 1,881.41 : x
  2. Step 2: Convert to fraction form
    7,724.84/11,587.25 = 1,881.41/x
  3. Step 3: Cross multiply
    7,724.84x = 11,587.25 × 1,881.41
  4. Step 4: Simplify right side
    7,724.84x = 21,800,314.79
  5. Step 5: Solve for x
    x = 21,800,314.79/7,724.84
  6. Step 6: Final answer
    x = 2,822.11

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Similar ratio
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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.