Home / 5,778.53-8,665.46-2,220.13

Finding the Fourth Proportional to 5,778.53, 8,665.46 and 2,220.13

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Solution

The fourth proportional to 5,778.53, 8,665.46 and 2,220.13 is: 3,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.53 : 8,665.46 = 2,220.13 : x
  2. Step 2: Convert to fraction form
    5,778.53/8,665.46 = 2,220.13/x
  3. Step 3: Cross multiply
    5,778.53x = 8,665.46 × 2,220.13
  4. Step 4: Simplify right side
    5,778.53x = 19,238,447.71
  5. Step 5: Solve for x
    x = 19,238,447.71/5,778.53
  6. Step 6: Final answer
    x = 3,329.30

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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.