Home / 7,516.40-11,272.89-2,836.91

Finding the Fourth Proportional to 7,516.40, 11,272.89 and 2,836.91

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Solution

The fourth proportional to 7,516.40, 11,272.89 and 2,836.91 is: 4,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.40 : 11,272.89 = 2,836.91 : x
  2. Step 2: Convert to fraction form
    7,516.40/11,272.89 = 2,836.91/x
  3. Step 3: Cross multiply
    7,516.40x = 11,272.89 × 2,836.91
  4. Step 4: Simplify right side
    7,516.40x = 31,980,118.01
  5. Step 5: Solve for x
    x = 31,980,118.01/7,516.40
  6. Step 6: Final answer
    x = 4,254.71

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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.