Home / 5,351.70-8,027.55-4,428.30

Finding the Fourth Proportional to 5,351.70, 8,027.55 and 4,428.30

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Solution

The fourth proportional to 5,351.70, 8,027.55 and 4,428.30 is: 6,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.70 : 8,027.55 = 4,428.30 : x
  2. Step 2: Convert to fraction form
    5,351.70/8,027.55 = 4,428.30/x
  3. Step 3: Cross multiply
    5,351.70x = 8,027.55 × 4,428.30
  4. Step 4: Simplify right side
    5,351.70x = 35,548,399.67
  5. Step 5: Solve for x
    x = 35,548,399.67/5,351.70
  6. Step 6: Final answer
    x = 6,642.45

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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.