Home / 5,879.40-8,812.93-2,756.78

Finding the Fourth Proportional to 5,879.40, 8,812.93 and 2,756.78

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Solution

The fourth proportional to 5,879.40, 8,812.93 and 2,756.78 is: 4,132.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.40 : 8,812.93 = 2,756.78 : x
  2. Step 2: Convert to fraction form
    5,879.40/8,812.93 = 2,756.78/x
  3. Step 3: Cross multiply
    5,879.40x = 8,812.93 × 2,756.78
  4. Step 4: Simplify right side
    5,879.40x = 24,295,309.17
  5. Step 5: Solve for x
    x = 24,295,309.17/5,879.40
  6. Step 6: Final answer
    x = 4,132.28

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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.