Home / 7,418.93-10,220.90-5,148.09

Finding the Fourth Proportional to 7,418.93, 10,220.90 and 5,148.09

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Solution

The fourth proportional to 7,418.93, 10,220.90 and 5,148.09 is: 7,092.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.93 : 10,220.90 = 5,148.09 : x
  2. Step 2: Convert to fraction form
    7,418.93/10,220.90 = 5,148.09/x
  3. Step 3: Cross multiply
    7,418.93x = 10,220.90 × 5,148.09
  4. Step 4: Simplify right side
    7,418.93x = 52,618,087.34
  5. Step 5: Solve for x
    x = 52,618,087.34/7,418.93
  6. Step 6: Final answer
    x = 7,092.41

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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.