Home / 5,144.58-7,099.65-3,156.23

Finding the Fourth Proportional to 5,144.58, 7,099.65 and 3,156.23

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Solution

The fourth proportional to 5,144.58, 7,099.65 and 3,156.23 is: 4,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.58 : 7,099.65 = 3,156.23 : x
  2. Step 2: Convert to fraction form
    5,144.58/7,099.65 = 3,156.23/x
  3. Step 3: Cross multiply
    5,144.58x = 7,099.65 × 3,156.23
  4. Step 4: Simplify right side
    5,144.58x = 22,408,146.07
  5. Step 5: Solve for x
    x = 22,408,146.07/5,144.58
  6. Step 6: Final answer
    x = 4,355.68

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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.