Home / 5,119.07-7,066.71-3,860.66

Finding the Fourth Proportional to 5,119.07, 7,066.71 and 3,860.66

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Solution

The fourth proportional to 5,119.07, 7,066.71 and 3,860.66 is: 5,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.07 : 7,066.71 = 3,860.66 : x
  2. Step 2: Convert to fraction form
    5,119.07/7,066.71 = 3,860.66/x
  3. Step 3: Cross multiply
    5,119.07x = 7,066.71 × 3,860.66
  4. Step 4: Simplify right side
    5,119.07x = 27,282,182.30
  5. Step 5: Solve for x
    x = 27,282,182.30/5,119.07
  6. Step 6: Final answer
    x = 5,329.52

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1.5x scale

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.