Home / 5,207.95-7,186.91-2,850.06

Finding the Fourth Proportional to 5,207.95, 7,186.91 and 2,850.06

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Solution

The fourth proportional to 5,207.95, 7,186.91 and 2,850.06 is: 3,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.95 : 7,186.91 = 2,850.06 : x
  2. Step 2: Convert to fraction form
    5,207.95/7,186.91 = 2,850.06/x
  3. Step 3: Cross multiply
    5,207.95x = 7,186.91 × 2,850.06
  4. Step 4: Simplify right side
    5,207.95x = 20,483,124.71
  5. Step 5: Solve for x
    x = 20,483,124.71/5,207.95
  6. Step 6: Final answer
    x = 3,933.05

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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.