Home / 7,245.69-10,868.81-2,566.20

Finding the Fourth Proportional to 7,245.69, 10,868.81 and 2,566.20

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Solution

The fourth proportional to 7,245.69, 10,868.81 and 2,566.20 is: 3,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.69 : 10,868.81 = 2,566.20 : x
  2. Step 2: Convert to fraction form
    7,245.69/10,868.81 = 2,566.20/x
  3. Step 3: Cross multiply
    7,245.69x = 10,868.81 × 2,566.20
  4. Step 4: Simplify right side
    7,245.69x = 27,891,527.39
  5. Step 5: Solve for x
    x = 27,891,527.39/7,245.69
  6. Step 6: Final answer
    x = 3,849.40

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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.