Home / 5,166.36-7,135.38-4,001.58

Finding the Fourth Proportional to 5,166.36, 7,135.38 and 4,001.58

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Solution

The fourth proportional to 5,166.36, 7,135.38 and 4,001.58 is: 5,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.36 : 7,135.38 = 4,001.58 : x
  2. Step 2: Convert to fraction form
    5,166.36/7,135.38 = 4,001.58/x
  3. Step 3: Cross multiply
    5,166.36x = 7,135.38 × 4,001.58
  4. Step 4: Simplify right side
    5,166.36x = 28,552,793.90
  5. Step 5: Solve for x
    x = 28,552,793.90/5,166.36
  6. Step 6: Final answer
    x = 5,526.68

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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.