Home / 7,097.24-10,638.12-2,712.80

Finding the Fourth Proportional to 7,097.24, 10,638.12 and 2,712.80

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Solution

The fourth proportional to 7,097.24, 10,638.12 and 2,712.80 is: 4,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,097.24 : 10,638.12 = 2,712.80 : x
  2. Step 2: Convert to fraction form
    7,097.24/10,638.12 = 2,712.80/x
  3. Step 3: Cross multiply
    7,097.24x = 10,638.12 × 2,712.80
  4. Step 4: Simplify right side
    7,097.24x = 28,859,091.94
  5. Step 5: Solve for x
    x = 28,859,091.94/7,097.24
  6. Step 6: Final answer
    x = 4,066.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.