Home / 5,778.10-7,973.78-3,260.21

Finding the Fourth Proportional to 5,778.10, 7,973.78 and 3,260.21

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Solution

The fourth proportional to 5,778.10, 7,973.78 and 3,260.21 is: 4,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.10 : 7,973.78 = 3,260.21 : x
  2. Step 2: Convert to fraction form
    5,778.10/7,973.78 = 3,260.21/x
  3. Step 3: Cross multiply
    5,778.10x = 7,973.78 × 3,260.21
  4. Step 4: Simplify right side
    5,778.10x = 25,996,180.99
  5. Step 5: Solve for x
    x = 25,996,180.99/5,778.10
  6. Step 6: Final answer
    x = 4,499.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.