Home / 7,718.25-11,577.38-1,874.82

Finding the Fourth Proportional to 7,718.25, 11,577.38 and 1,874.82

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Solution

The fourth proportional to 7,718.25, 11,577.38 and 1,874.82 is: 2,812.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.25 : 11,577.38 = 1,874.82 : x
  2. Step 2: Convert to fraction form
    7,718.25/11,577.38 = 1,874.82/x
  3. Step 3: Cross multiply
    7,718.25x = 11,577.38 × 1,874.82
  4. Step 4: Simplify right side
    7,718.25x = 21,705,548.16
  5. Step 5: Solve for x
    x = 21,705,548.16/7,718.25
  6. Step 6: Final answer
    x = 2,812.24

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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.