Home / 5,138.02-7,705.48-2,671.49

Finding the Fourth Proportional to 5,138.02, 7,705.48 and 2,671.49

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Solution

The fourth proportional to 5,138.02, 7,705.48 and 2,671.49 is: 4,006.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138.02 : 7,705.48 = 2,671.49 : x
  2. Step 2: Convert to fraction form
    5,138.02/7,705.48 = 2,671.49/x
  3. Step 3: Cross multiply
    5,138.02x = 7,705.48 × 2,671.49
  4. Step 4: Simplify right side
    5,138.02x = 20,585,112.77
  5. Step 5: Solve for x
    x = 20,585,112.77/5,138.02
  6. Step 6: Final answer
    x = 4,006.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.