Home / 5,809.58-8,709.47-2,520.20

Finding the Fourth Proportional to 5,809.58, 8,709.47 and 2,520.20

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Solution

The fourth proportional to 5,809.58, 8,709.47 and 2,520.20 is: 3,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.58 : 8,709.47 = 2,520.20 : x
  2. Step 2: Convert to fraction form
    5,809.58/8,709.47 = 2,520.20/x
  3. Step 3: Cross multiply
    5,809.58x = 8,709.47 × 2,520.20
  4. Step 4: Simplify right side
    5,809.58x = 21,949,550.15
  5. Step 5: Solve for x
    x = 21,949,550.15/5,809.58
  6. Step 6: Final answer
    x = 3,778.17

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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.