Home / 4,725.24-6,521.73-3,129.07

Finding the Fourth Proportional to 4,725.24, 6,521.73 and 3,129.07

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Solution

The fourth proportional to 4,725.24, 6,521.73 and 3,129.07 is: 4,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.24 : 6,521.73 = 3,129.07 : x
  2. Step 2: Convert to fraction form
    4,725.24/6,521.73 = 3,129.07/x
  3. Step 3: Cross multiply
    4,725.24x = 6,521.73 × 3,129.07
  4. Step 4: Simplify right side
    4,725.24x = 20,406,949.69
  5. Step 5: Solve for x
    x = 20,406,949.69/4,725.24
  6. Step 6: Final answer
    x = 4,318.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.