Home / 4,389.85-6,057.75-3,340.09

Finding the Fourth Proportional to 4,389.85, 6,057.75 and 3,340.09

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Solution

The fourth proportional to 4,389.85, 6,057.75 and 3,340.09 is: 4,609.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.85 : 6,057.75 = 3,340.09 : x
  2. Step 2: Convert to fraction form
    4,389.85/6,057.75 = 3,340.09/x
  3. Step 3: Cross multiply
    4,389.85x = 6,057.75 × 3,340.09
  4. Step 4: Simplify right side
    4,389.85x = 20,233,430.20
  5. Step 5: Solve for x
    x = 20,233,430.20/4,389.85
  6. Step 6: Final answer
    x = 4,609.14

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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.