Home / 8,851.05-12,214.67-4,871.79

Finding the Fourth Proportional to 8,851.05, 12,214.67 and 4,871.79

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Solution

The fourth proportional to 8,851.05, 12,214.67 and 4,871.79 is: 6,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.05 : 12,214.67 = 4,871.79 : x
  2. Step 2: Convert to fraction form
    8,851.05/12,214.67 = 4,871.79/x
  3. Step 3: Cross multiply
    8,851.05x = 12,214.67 × 4,871.79
  4. Step 4: Simplify right side
    8,851.05x = 59,507,282.80
  5. Step 5: Solve for x
    x = 59,507,282.80/8,851.05
  6. Step 6: Final answer
    x = 6,723.19

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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.