Home / 4,301.79-6,453.09-1,380.12

Finding the Fourth Proportional to 4,301.79, 6,453.09 and 1,380.12

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Solution

The fourth proportional to 4,301.79, 6,453.09 and 1,380.12 is: 2,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,301.79 : 6,453.09 = 1,380.12 : x
  2. Step 2: Convert to fraction form
    4,301.79/6,453.09 = 1,380.12/x
  3. Step 3: Cross multiply
    4,301.79x = 6,453.09 × 1,380.12
  4. Step 4: Simplify right side
    4,301.79x = 8,906,038.57
  5. Step 5: Solve for x
    x = 8,906,038.57/4,301.79
  6. Step 6: Final answer
    x = 2,070.31

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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.