Home / 5,137.45-7,089.78-3,014.23

Finding the Fourth Proportional to 5,137.45, 7,089.78 and 3,014.23

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Solution

The fourth proportional to 5,137.45, 7,089.78 and 3,014.23 is: 4,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.45 : 7,089.78 = 3,014.23 : x
  2. Step 2: Convert to fraction form
    5,137.45/7,089.78 = 3,014.23/x
  3. Step 3: Cross multiply
    5,137.45x = 7,089.78 × 3,014.23
  4. Step 4: Simplify right side
    5,137.45x = 21,370,227.57
  5. Step 5: Solve for x
    x = 21,370,227.57/5,137.45
  6. Step 6: Final answer
    x = 4,159.70

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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.