Home / 8,117.14-12,176.26-2,851.51

Finding the Fourth Proportional to 8,117.14, 12,176.26 and 2,851.51

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Solution

The fourth proportional to 8,117.14, 12,176.26 and 2,851.51 is: 4,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.14 : 12,176.26 = 2,851.51 : x
  2. Step 2: Convert to fraction form
    8,117.14/12,176.26 = 2,851.51/x
  3. Step 3: Cross multiply
    8,117.14x = 12,176.26 × 2,851.51
  4. Step 4: Simplify right side
    8,117.14x = 34,720,727.15
  5. Step 5: Solve for x
    x = 34,720,727.15/8,117.14
  6. Step 6: Final answer
    x = 4,277.46

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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.