Home / 7,223.28-10,834.92-2,842.80

Finding the Fourth Proportional to 7,223.28, 10,834.92 and 2,842.80

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Solution

The fourth proportional to 7,223.28, 10,834.92 and 2,842.80 is: 4,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.28 : 10,834.92 = 2,842.80 : x
  2. Step 2: Convert to fraction form
    7,223.28/10,834.92 = 2,842.80/x
  3. Step 3: Cross multiply
    7,223.28x = 10,834.92 × 2,842.80
  4. Step 4: Simplify right side
    7,223.28x = 30,801,510.58
  5. Step 5: Solve for x
    x = 30,801,510.58/7,223.28
  6. Step 6: Final answer
    x = 4,264.20

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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.