Home / 5,628.62-8,430.24-2,709.11

Finding the Fourth Proportional to 5,628.62, 8,430.24 and 2,709.11

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Solution

The fourth proportional to 5,628.62, 8,430.24 and 2,709.11 is: 4,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.62 : 8,430.24 = 2,709.11 : x
  2. Step 2: Convert to fraction form
    5,628.62/8,430.24 = 2,709.11/x
  3. Step 3: Cross multiply
    5,628.62x = 8,430.24 × 2,709.11
  4. Step 4: Simplify right side
    5,628.62x = 22,838,447.49
  5. Step 5: Solve for x
    x = 22,838,447.49/5,628.62
  6. Step 6: Final answer
    x = 4,057.56

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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.