Home / 7,392.78-10,198.53-5,003.58

Finding the Fourth Proportional to 7,392.78, 10,198.53 and 5,003.58

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Solution

The fourth proportional to 7,392.78, 10,198.53 and 5,003.58 is: 6,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.78 : 10,198.53 = 5,003.58 : x
  2. Step 2: Convert to fraction form
    7,392.78/10,198.53 = 5,003.58/x
  3. Step 3: Cross multiply
    7,392.78x = 10,198.53 × 5,003.58
  4. Step 4: Simplify right side
    7,392.78x = 51,029,160.74
  5. Step 5: Solve for x
    x = 51,029,160.74/7,392.78
  6. Step 6: Final answer
    x = 6,902.57

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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.