Home / 7,552.89-10,428.20-4,721.54

Finding the Fourth Proportional to 7,552.89, 10,428.20 and 4,721.54

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Solution

The fourth proportional to 7,552.89, 10,428.20 and 4,721.54 is: 6,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.89 : 10,428.20 = 4,721.54 : x
  2. Step 2: Convert to fraction form
    7,552.89/10,428.20 = 4,721.54/x
  3. Step 3: Cross multiply
    7,552.89x = 10,428.20 × 4,721.54
  4. Step 4: Simplify right side
    7,552.89x = 49,237,087.68
  5. Step 5: Solve for x
    x = 49,237,087.68/7,552.89
  6. Step 6: Final answer
    x = 6,518.97

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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.