Home / 7,373.21-10,174.14-4,186.89

Finding the Fourth Proportional to 7,373.21, 10,174.14 and 4,186.89

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Solution

The fourth proportional to 7,373.21, 10,174.14 and 4,186.89 is: 5,777.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.21 : 10,174.14 = 4,186.89 : x
  2. Step 2: Convert to fraction form
    7,373.21/10,174.14 = 4,186.89/x
  3. Step 3: Cross multiply
    7,373.21x = 10,174.14 × 4,186.89
  4. Step 4: Simplify right side
    7,373.21x = 42,598,005.02
  5. Step 5: Solve for x
    x = 42,598,005.02/7,373.21
  6. Step 6: Final answer
    x = 5,777.41

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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.