Home / 4,293.50-6,440.42-1,520.18

Finding the Fourth Proportional to 4,293.50, 6,440.42 and 1,520.18

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Solution

The fourth proportional to 4,293.50, 6,440.42 and 1,520.18 is: 2,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.50 : 6,440.42 = 1,520.18 : x
  2. Step 2: Convert to fraction form
    4,293.50/6,440.42 = 1,520.18/x
  3. Step 3: Cross multiply
    4,293.50x = 6,440.42 × 1,520.18
  4. Step 4: Simplify right side
    4,293.50x = 9,790,597.68
  5. Step 5: Solve for x
    x = 9,790,597.68/4,293.50
  6. Step 6: Final answer
    x = 2,280.33

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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.