Home / 7,516.21-11,274.31-2,585.89

Finding the Fourth Proportional to 7,516.21, 11,274.31 and 2,585.89

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Solution

The fourth proportional to 7,516.21, 11,274.31 and 2,585.89 is: 3,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.21 : 11,274.31 = 2,585.89 : x
  2. Step 2: Convert to fraction form
    7,516.21/11,274.31 = 2,585.89/x
  3. Step 3: Cross multiply
    7,516.21x = 11,274.31 × 2,585.89
  4. Step 4: Simplify right side
    7,516.21x = 29,154,090.84
  5. Step 5: Solve for x
    x = 29,154,090.84/7,516.21
  6. Step 6: Final answer
    x = 3,878.83

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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.