Home / 4,189.16-5,767.80-3,191.24

Finding the Fourth Proportional to 4,189.16, 5,767.80 and 3,191.24

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Solution

The fourth proportional to 4,189.16, 5,767.80 and 3,191.24 is: 4,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.16 : 5,767.80 = 3,191.24 : x
  2. Step 2: Convert to fraction form
    4,189.16/5,767.80 = 3,191.24/x
  3. Step 3: Cross multiply
    4,189.16x = 5,767.80 × 3,191.24
  4. Step 4: Simplify right side
    4,189.16x = 18,406,434.07
  5. Step 5: Solve for x
    x = 18,406,434.07/4,189.16
  6. Step 6: Final answer
    x = 4,393.82

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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.