Home / 7,104.11-9,806.87-5,212.35

Finding the Fourth Proportional to 7,104.11, 9,806.87 and 5,212.35

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Solution

The fourth proportional to 7,104.11, 9,806.87 and 5,212.35 is: 7,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.11 : 9,806.87 = 5,212.35 : x
  2. Step 2: Convert to fraction form
    7,104.11/9,806.87 = 5,212.35/x
  3. Step 3: Cross multiply
    7,104.11x = 9,806.87 × 5,212.35
  4. Step 4: Simplify right side
    7,104.11x = 51,116,851.88
  5. Step 5: Solve for x
    x = 51,116,851.88/7,104.11
  6. Step 6: Final answer
    x = 7,195.40

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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.