Home / 5,200.74-7,801.14-2,278.32

Finding the Fourth Proportional to 5,200.74, 7,801.14 and 2,278.32

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Solution

The fourth proportional to 5,200.74, 7,801.14 and 2,278.32 is: 3,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.74 : 7,801.14 = 2,278.32 : x
  2. Step 2: Convert to fraction form
    5,200.74/7,801.14 = 2,278.32/x
  3. Step 3: Cross multiply
    5,200.74x = 7,801.14 × 2,278.32
  4. Step 4: Simplify right side
    5,200.74x = 17,773,493.28
  5. Step 5: Solve for x
    x = 17,773,493.28/5,200.74
  6. Step 6: Final answer
    x = 3,417.49

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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.