Home / 5,624.22-8,436.26-1,520.22

Finding the Fourth Proportional to 5,624.22, 8,436.26 and 1,520.22

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Solution

The fourth proportional to 5,624.22, 8,436.26 and 1,520.22 is: 2,280.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.22 : 8,436.26 = 1,520.22 : x
  2. Step 2: Convert to fraction form
    5,624.22/8,436.26 = 1,520.22/x
  3. Step 3: Cross multiply
    5,624.22x = 8,436.26 × 1,520.22
  4. Step 4: Simplify right side
    5,624.22x = 12,824,971.18
  5. Step 5: Solve for x
    x = 12,824,971.18/5,624.22
  6. Step 6: Final answer
    x = 2,280.31

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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.