Home / 6,720.23-10,080.99-1,790.17

Finding the Fourth Proportional to 6,720.23, 10,080.99 and 1,790.17

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Solution

The fourth proportional to 6,720.23, 10,080.99 and 1,790.17 is: 2,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.23 : 10,080.99 = 1,790.17 : x
  2. Step 2: Convert to fraction form
    6,720.23/10,080.99 = 1,790.17/x
  3. Step 3: Cross multiply
    6,720.23x = 10,080.99 × 1,790.17
  4. Step 4: Simplify right side
    6,720.23x = 18,046,660.67
  5. Step 5: Solve for x
    x = 18,046,660.67/6,720.23
  6. Step 6: Final answer
    x = 2,685.42

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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.