Home / 7,191.14-10,784.57-3,240.11

Finding the Fourth Proportional to 7,191.14, 10,784.57 and 3,240.11

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Solution

The fourth proportional to 7,191.14, 10,784.57 and 3,240.11 is: 4,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.14 : 10,784.57 = 3,240.11 : x
  2. Step 2: Convert to fraction form
    7,191.14/10,784.57 = 3,240.11/x
  3. Step 3: Cross multiply
    7,191.14x = 10,784.57 × 3,240.11
  4. Step 4: Simplify right side
    7,191.14x = 34,943,203.86
  5. Step 5: Solve for x
    x = 34,943,203.86/7,191.14
  6. Step 6: Final answer
    x = 4,859.21

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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.