Home / 7,228.19-10,834.49-4,728.42

Finding the Fourth Proportional to 7,228.19, 10,834.49 and 4,728.42

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Solution

The fourth proportional to 7,228.19, 10,834.49 and 4,728.42 is: 7,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.19 : 10,834.49 = 4,728.42 : x
  2. Step 2: Convert to fraction form
    7,228.19/10,834.49 = 4,728.42/x
  3. Step 3: Cross multiply
    7,228.19x = 10,834.49 × 4,728.42
  4. Step 4: Simplify right side
    7,228.19x = 51,230,071.66
  5. Step 5: Solve for x
    x = 51,230,071.66/7,228.19
  6. Step 6: Final answer
    x = 7,087.54

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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.