Home / 9,337.44-12,885.62-5,145.68

Finding the Fourth Proportional to 9,337.44, 12,885.62 and 5,145.68

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Solution

The fourth proportional to 9,337.44, 12,885.62 and 5,145.68 is: 7,101.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.44 : 12,885.62 = 5,145.68 : x
  2. Step 2: Convert to fraction form
    9,337.44/12,885.62 = 5,145.68/x
  3. Step 3: Cross multiply
    9,337.44x = 12,885.62 × 5,145.68
  4. Step 4: Simplify right side
    9,337.44x = 66,305,277.12
  5. Step 5: Solve for x
    x = 66,305,277.12/9,337.44
  6. Step 6: Final answer
    x = 7,101.01

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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.