Home / 7,568.72-11,350.64-2,885.20

Finding the Fourth Proportional to 7,568.72, 11,350.64 and 2,885.20

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Solution

The fourth proportional to 7,568.72, 11,350.64 and 2,885.20 is: 4,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.72 : 11,350.64 = 2,885.20 : x
  2. Step 2: Convert to fraction form
    7,568.72/11,350.64 = 2,885.20/x
  3. Step 3: Cross multiply
    7,568.72x = 11,350.64 × 2,885.20
  4. Step 4: Simplify right side
    7,568.72x = 32,748,845.36
  5. Step 5: Solve for x
    x = 32,748,845.36/7,568.72
  6. Step 6: Final answer
    x = 4,326.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.