Home / 7,572.75-10,450.28-4,215.56

Finding the Fourth Proportional to 7,572.75, 10,450.28 and 4,215.56

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Solution

The fourth proportional to 7,572.75, 10,450.28 and 4,215.56 is: 5,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.75 : 10,450.28 = 4,215.56 : x
  2. Step 2: Convert to fraction form
    7,572.75/10,450.28 = 4,215.56/x
  3. Step 3: Cross multiply
    7,572.75x = 10,450.28 × 4,215.56
  4. Step 4: Simplify right side
    7,572.75x = 44,053,766.77
  5. Step 5: Solve for x
    x = 44,053,766.77/7,572.75
  6. Step 6: Final answer
    x = 5,817.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.