Home / 6,720.90-10,081.37-2,040.95

Finding the Fourth Proportional to 6,720.90, 10,081.37 and 2,040.95

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Solution

The fourth proportional to 6,720.90, 10,081.37 and 2,040.95 is: 3,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.90 : 10,081.37 = 2,040.95 : x
  2. Step 2: Convert to fraction form
    6,720.90/10,081.37 = 2,040.95/x
  3. Step 3: Cross multiply
    6,720.90x = 10,081.37 × 2,040.95
  4. Step 4: Simplify right side
    6,720.90x = 20,575,572.10
  5. Step 5: Solve for x
    x = 20,575,572.10/6,720.90
  6. Step 6: Final answer
    x = 3,061.43

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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.