Home / 5,720.26-8,580.39-2,020.48

Finding the Fourth Proportional to 5,720.26, 8,580.39 and 2,020.48

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Solution

The fourth proportional to 5,720.26, 8,580.39 and 2,020.48 is: 3,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.26 : 8,580.39 = 2,020.48 : x
  2. Step 2: Convert to fraction form
    5,720.26/8,580.39 = 2,020.48/x
  3. Step 3: Cross multiply
    5,720.26x = 8,580.39 × 2,020.48
  4. Step 4: Simplify right side
    5,720.26x = 17,336,506.39
  5. Step 5: Solve for x
    x = 17,336,506.39/5,720.26
  6. Step 6: Final answer
    x = 3,030.72

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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.