Home / 5,210.21-7,193.45-4,649.72

Finding the Fourth Proportional to 5,210.21, 7,193.45 and 4,649.72

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Solution

The fourth proportional to 5,210.21, 7,193.45 and 4,649.72 is: 6,419.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.21 : 7,193.45 = 4,649.72 : x
  2. Step 2: Convert to fraction form
    5,210.21/7,193.45 = 4,649.72/x
  3. Step 3: Cross multiply
    5,210.21x = 7,193.45 × 4,649.72
  4. Step 4: Simplify right side
    5,210.21x = 33,447,469.12
  5. Step 5: Solve for x
    x = 33,447,469.12/5,210.21
  6. Step 6: Final answer
    x = 6,419.61

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.