Home / 5,378.28-7,424.48-3,363.56

Finding the Fourth Proportional to 5,378.28, 7,424.48 and 3,363.56

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Solution

The fourth proportional to 5,378.28, 7,424.48 and 3,363.56 is: 4,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.28 : 7,424.48 = 3,363.56 : x
  2. Step 2: Convert to fraction form
    5,378.28/7,424.48 = 3,363.56/x
  3. Step 3: Cross multiply
    5,378.28x = 7,424.48 × 3,363.56
  4. Step 4: Simplify right side
    5,378.28x = 24,972,683.95
  5. Step 5: Solve for x
    x = 24,972,683.95/5,378.28
  6. Step 6: Final answer
    x = 4,643.25

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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.