Home / 6,720.22-10,079.40-1,790.26

Finding the Fourth Proportional to 6,720.22, 10,079.40 and 1,790.26

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Solution

The fourth proportional to 6,720.22, 10,079.40 and 1,790.26 is: 2,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.22 : 10,079.40 = 1,790.26 : x
  2. Step 2: Convert to fraction form
    6,720.22/10,079.40 = 1,790.26/x
  3. Step 3: Cross multiply
    6,720.22x = 10,079.40 × 1,790.26
  4. Step 4: Simplify right side
    6,720.22x = 18,044,746.64
  5. Step 5: Solve for x
    x = 18,044,746.64/6,720.22
  6. Step 6: Final answer
    x = 2,685.14

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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.