Home / 5,141.72-7,712.58-1,444.34

Finding the Fourth Proportional to 5,141.72, 7,712.58 and 1,444.34

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Solution

The fourth proportional to 5,141.72, 7,712.58 and 1,444.34 is: 2,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.72 : 7,712.58 = 1,444.34 : x
  2. Step 2: Convert to fraction form
    5,141.72/7,712.58 = 1,444.34/x
  3. Step 3: Cross multiply
    5,141.72x = 7,712.58 × 1,444.34
  4. Step 4: Simplify right side
    5,141.72x = 11,139,587.80
  5. Step 5: Solve for x
    x = 11,139,587.80/5,141.72
  6. Step 6: Final answer
    x = 2,166.51

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Half scale
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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.