Home / 9,082.02-12,523.68-7,190.58

Finding the Fourth Proportional to 9,082.02, 12,523.68 and 7,190.58

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Solution

The fourth proportional to 9,082.02, 12,523.68 and 7,190.58 is: 9,915.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,082.02 : 12,523.68 = 7,190.58 : x
  2. Step 2: Convert to fraction form
    9,082.02/12,523.68 = 7,190.58/x
  3. Step 3: Cross multiply
    9,082.02x = 12,523.68 × 7,190.58
  4. Step 4: Simplify right side
    9,082.02x = 90,052,522.93
  5. Step 5: Solve for x
    x = 90,052,522.93/9,082.02
  6. Step 6: Final answer
    x = 9,915.47

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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.