Home / 6,720.55-10,081.33-1,790.08

Finding the Fourth Proportional to 6,720.55, 10,081.33 and 1,790.08

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Solution

The fourth proportional to 6,720.55, 10,081.33 and 1,790.08 is: 2,685.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.55 : 10,081.33 = 1,790.08 : x
  2. Step 2: Convert to fraction form
    6,720.55/10,081.33 = 1,790.08/x
  3. Step 3: Cross multiply
    6,720.55x = 10,081.33 × 1,790.08
  4. Step 4: Simplify right side
    6,720.55x = 18,046,357.53
  5. Step 5: Solve for x
    x = 18,046,357.53/6,720.55
  6. Step 6: Final answer
    x = 2,685.25

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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.