Home / 9,338.03-12,885.72-5,146.28

Finding the Fourth Proportional to 9,338.03, 12,885.72 and 5,146.28

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Solution

The fourth proportional to 9,338.03, 12,885.72 and 5,146.28 is: 7,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.03 : 12,885.72 = 5,146.28 : x
  2. Step 2: Convert to fraction form
    9,338.03/12,885.72 = 5,146.28/x
  3. Step 3: Cross multiply
    9,338.03x = 12,885.72 × 5,146.28
  4. Step 4: Simplify right side
    9,338.03x = 66,313,523.12
  5. Step 5: Solve for x
    x = 66,313,523.12/9,338.03
  6. Step 6: Final answer
    x = 7,101.45

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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.