Home / 7,122.74-10,693.35-5,480.46

Finding the Fourth Proportional to 7,122.74, 10,693.35 and 5,480.46

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Solution

The fourth proportional to 7,122.74, 10,693.35 and 5,480.46 is: 8,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.74 : 10,693.35 = 5,480.46 : x
  2. Step 2: Convert to fraction form
    7,122.74/10,693.35 = 5,480.46/x
  3. Step 3: Cross multiply
    7,122.74x = 10,693.35 × 5,480.46
  4. Step 4: Simplify right side
    7,122.74x = 58,604,476.94
  5. Step 5: Solve for x
    x = 58,604,476.94/7,122.74
  6. Step 6: Final answer
    x = 8,227.81

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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.