Home / 4,520.07-6,769.08-3,129.48

Finding the Fourth Proportional to 4,520.07, 6,769.08 and 3,129.48

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Solution

The fourth proportional to 4,520.07, 6,769.08 and 3,129.48 is: 4,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520.07 : 6,769.08 = 3,129.48 : x
  2. Step 2: Convert to fraction form
    4,520.07/6,769.08 = 3,129.48/x
  3. Step 3: Cross multiply
    4,520.07x = 6,769.08 × 3,129.48
  4. Step 4: Simplify right side
    4,520.07x = 21,183,700.48
  5. Step 5: Solve for x
    x = 21,183,700.48/4,520.07
  6. Step 6: Final answer
    x = 4,686.59

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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.