Home / 4,243.46-6,364.26-1,321.10

Finding the Fourth Proportional to 4,243.46, 6,364.26 and 1,321.10

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Solution

The fourth proportional to 4,243.46, 6,364.26 and 1,321.10 is: 1,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.46 : 6,364.26 = 1,321.10 : x
  2. Step 2: Convert to fraction form
    4,243.46/6,364.26 = 1,321.10/x
  3. Step 3: Cross multiply
    4,243.46x = 6,364.26 × 1,321.10
  4. Step 4: Simplify right side
    4,243.46x = 8,407,823.89
  5. Step 5: Solve for x
    x = 8,407,823.89/4,243.46
  6. Step 6: Final answer
    x = 1,981.36

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Double scale
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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.