Home / 5,570.40-8,352.24-1,871.60

Finding the Fourth Proportional to 5,570.40, 8,352.24 and 1,871.60

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Solution

The fourth proportional to 5,570.40, 8,352.24 and 1,871.60 is: 2,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.40 : 8,352.24 = 1,871.60 : x
  2. Step 2: Convert to fraction form
    5,570.40/8,352.24 = 1,871.60/x
  3. Step 3: Cross multiply
    5,570.40x = 8,352.24 × 1,871.60
  4. Step 4: Simplify right side
    5,570.40x = 15,632,052.38
  5. Step 5: Solve for x
    x = 15,632,052.38/5,570.40
  6. Step 6: Final answer
    x = 2,806.27

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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.