Home / 5,880.55-8,815.35-1,982.22

Finding the Fourth Proportional to 5,880.55, 8,815.35 and 1,982.22

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Solution

The fourth proportional to 5,880.55, 8,815.35 and 1,982.22 is: 2,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.55 : 8,815.35 = 1,982.22 : x
  2. Step 2: Convert to fraction form
    5,880.55/8,815.35 = 1,982.22/x
  3. Step 3: Cross multiply
    5,880.55x = 8,815.35 × 1,982.22
  4. Step 4: Simplify right side
    5,880.55x = 17,473,968.03
  5. Step 5: Solve for x
    x = 17,473,968.03/5,880.55
  6. Step 6: Final answer
    x = 2,971.49

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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.