Home / 9,177.05-13,767.77-2,851.72

Finding the Fourth Proportional to 9,177.05, 13,767.77 and 2,851.72

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Solution

The fourth proportional to 9,177.05, 13,767.77 and 2,851.72 is: 4,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.05 : 13,767.77 = 2,851.72 : x
  2. Step 2: Convert to fraction form
    9,177.05/13,767.77 = 2,851.72/x
  3. Step 3: Cross multiply
    9,177.05x = 13,767.77 × 2,851.72
  4. Step 4: Simplify right side
    9,177.05x = 39,261,875.22
  5. Step 5: Solve for x
    x = 39,261,875.22/9,177.05
  6. Step 6: Final answer
    x = 4,278.27

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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.