Home / 5,911.20-8,866.20-2,015.55

Finding the Fourth Proportional to 5,911.20, 8,866.20 and 2,015.55

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Solution

The fourth proportional to 5,911.20, 8,866.20 and 2,015.55 is: 3,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.20 : 8,866.20 = 2,015.55 : x
  2. Step 2: Convert to fraction form
    5,911.20/8,866.20 = 2,015.55/x
  3. Step 3: Cross multiply
    5,911.20x = 8,866.20 × 2,015.55
  4. Step 4: Simplify right side
    5,911.20x = 17,870,269.41
  5. Step 5: Solve for x
    x = 17,870,269.41/5,911.20
  6. Step 6: Final answer
    x = 3,023.12

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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.