Home / 5,570.68-8,352.78-2,108.20

Finding the Fourth Proportional to 5,570.68, 8,352.78 and 2,108.20

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Solution

The fourth proportional to 5,570.68, 8,352.78 and 2,108.20 is: 3,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.68 : 8,352.78 = 2,108.20 : x
  2. Step 2: Convert to fraction form
    5,570.68/8,352.78 = 2,108.20/x
  3. Step 3: Cross multiply
    5,570.68x = 8,352.78 × 2,108.20
  4. Step 4: Simplify right side
    5,570.68x = 17,609,330.80
  5. Step 5: Solve for x
    x = 17,609,330.80/5,570.68
  6. Step 6: Final answer
    x = 3,161.07

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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.