Home / 5,119.08-7,064.06-2,881.05

Finding the Fourth Proportional to 5,119.08, 7,064.06 and 2,881.05

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Solution

The fourth proportional to 5,119.08, 7,064.06 and 2,881.05 is: 3,975.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.08 : 7,064.06 = 2,881.05 : x
  2. Step 2: Convert to fraction form
    5,119.08/7,064.06 = 2,881.05/x
  3. Step 3: Cross multiply
    5,119.08x = 7,064.06 × 2,881.05
  4. Step 4: Simplify right side
    5,119.08x = 20,351,895.66
  5. Step 5: Solve for x
    x = 20,351,895.66/5,119.08
  6. Step 6: Final answer
    x = 3,975.69

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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.