Home / 5,027.78-7,542.25-1,910.12

Finding the Fourth Proportional to 5,027.78, 7,542.25 and 1,910.12

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Solution

The fourth proportional to 5,027.78, 7,542.25 and 1,910.12 is: 2,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.78 : 7,542.25 = 1,910.12 : x
  2. Step 2: Convert to fraction form
    5,027.78/7,542.25 = 1,910.12/x
  3. Step 3: Cross multiply
    5,027.78x = 7,542.25 × 1,910.12
  4. Step 4: Simplify right side
    5,027.78x = 14,406,602.57
  5. Step 5: Solve for x
    x = 14,406,602.57/5,027.78
  6. Step 6: Final answer
    x = 2,865.40

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Double scale
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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.