Home / 5,399.21-8,084.80-4,624.20

Finding the Fourth Proportional to 5,399.21, 8,084.80 and 4,624.20

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Solution

The fourth proportional to 5,399.21, 8,084.80 and 4,624.20 is: 6,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.21 : 8,084.80 = 4,624.20 : x
  2. Step 2: Convert to fraction form
    5,399.21/8,084.80 = 4,624.20/x
  3. Step 3: Cross multiply
    5,399.21x = 8,084.80 × 4,624.20
  4. Step 4: Simplify right side
    5,399.21x = 37,385,720.60
  5. Step 5: Solve for x
    x = 37,385,720.60/5,399.21
  6. Step 6: Final answer
    x = 6,924.29

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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.