Home / 5,187.46-7,156.42-3,508.26

Finding the Fourth Proportional to 5,187.46, 7,156.42 and 3,508.26

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Solution

The fourth proportional to 5,187.46, 7,156.42 and 3,508.26 is: 4,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.46 : 7,156.42 = 3,508.26 : x
  2. Step 2: Convert to fraction form
    5,187.46/7,156.42 = 3,508.26/x
  3. Step 3: Cross multiply
    5,187.46x = 7,156.42 × 3,508.26
  4. Step 4: Simplify right side
    5,187.46x = 25,106,582.03
  5. Step 5: Solve for x
    x = 25,106,582.03/5,187.46
  6. Step 6: Final answer
    x = 4,839.86

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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.