Home / 5,570.40-8,344.24-2,639.80

Finding the Fourth Proportional to 5,570.40, 8,344.24 and 2,639.80

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Solution

The fourth proportional to 5,570.40, 8,344.24 and 2,639.80 is: 3,954.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570.40 : 8,344.24 = 2,639.80 : x
  2. Step 2: Convert to fraction form
    5,570.40/8,344.24 = 2,639.80/x
  3. Step 3: Cross multiply
    5,570.40x = 8,344.24 × 2,639.80
  4. Step 4: Simplify right side
    5,570.40x = 22,027,124.75
  5. Step 5: Solve for x
    x = 22,027,124.75/5,570.40
  6. Step 6: Final answer
    x = 3,954.32

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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.