Home / 5,447.25-7,518.13-3,090.76

Finding the Fourth Proportional to 5,447.25, 7,518.13 and 3,090.76

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Solution

The fourth proportional to 5,447.25, 7,518.13 and 3,090.76 is: 4,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.25 : 7,518.13 = 3,090.76 : x
  2. Step 2: Convert to fraction form
    5,447.25/7,518.13 = 3,090.76/x
  3. Step 3: Cross multiply
    5,447.25x = 7,518.13 × 3,090.76
  4. Step 4: Simplify right side
    5,447.25x = 23,236,708.96
  5. Step 5: Solve for x
    x = 23,236,708.96/5,447.25
  6. Step 6: Final answer
    x = 4,265.77

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.