Home / 5,191.36-7,162.98-3,302.25

Finding the Fourth Proportional to 5,191.36, 7,162.98 and 3,302.25

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Solution

The fourth proportional to 5,191.36, 7,162.98 and 3,302.25 is: 4,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.36 : 7,162.98 = 3,302.25 : x
  2. Step 2: Convert to fraction form
    5,191.36/7,162.98 = 3,302.25/x
  3. Step 3: Cross multiply
    5,191.36x = 7,162.98 × 3,302.25
  4. Step 4: Simplify right side
    5,191.36x = 23,653,934.19
  5. Step 5: Solve for x
    x = 23,653,934.19/5,191.36
  6. Step 6: Final answer
    x = 4,556.41

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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.