Home / 5,617.60-8,419.84-4,226.47

Finding the Fourth Proportional to 5,617.60, 8,419.84 and 4,226.47

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Solution

The fourth proportional to 5,617.60, 8,419.84 and 4,226.47 is: 6,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.60 : 8,419.84 = 4,226.47 : x
  2. Step 2: Convert to fraction form
    5,617.60/8,419.84 = 4,226.47/x
  3. Step 3: Cross multiply
    5,617.60x = 8,419.84 × 4,226.47
  4. Step 4: Simplify right side
    5,617.60x = 35,586,169.55
  5. Step 5: Solve for x
    x = 35,586,169.55/5,617.60
  6. Step 6: Final answer
    x = 6,334.77

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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.