Home / 5,137.14-7,074.90-5,122.56

Finding the Fourth Proportional to 5,137.14, 7,074.90 and 5,122.56

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Solution

The fourth proportional to 5,137.14, 7,074.90 and 5,122.56 is: 7,054.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.14 : 7,074.90 = 5,122.56 : x
  2. Step 2: Convert to fraction form
    5,137.14/7,074.90 = 5,122.56/x
  3. Step 3: Cross multiply
    5,137.14x = 7,074.90 × 5,122.56
  4. Step 4: Simplify right side
    5,137.14x = 36,241,599.74
  5. Step 5: Solve for x
    x = 36,241,599.74/5,137.14
  6. Step 6: Final answer
    x = 7,054.82

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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.