Home / 4,882.90-7,324.35-1,185.10

Finding the Fourth Proportional to 4,882.90, 7,324.35 and 1,185.10

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Solution

The fourth proportional to 4,882.90, 7,324.35 and 1,185.10 is: 1,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.90 : 7,324.35 = 1,185.10 : x
  2. Step 2: Convert to fraction form
    4,882.90/7,324.35 = 1,185.10/x
  3. Step 3: Cross multiply
    4,882.90x = 7,324.35 × 1,185.10
  4. Step 4: Simplify right side
    4,882.90x = 8,680,068.87
  5. Step 5: Solve for x
    x = 8,680,068.87/4,882.90
  6. Step 6: Final answer
    x = 1,777.65

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Double scale
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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.