Home / 4,645.48-6,407.20-3,154.56

Finding the Fourth Proportional to 4,645.48, 6,407.20 and 3,154.56

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Solution

The fourth proportional to 4,645.48, 6,407.20 and 3,154.56 is: 4,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.48 : 6,407.20 = 3,154.56 : x
  2. Step 2: Convert to fraction form
    4,645.48/6,407.20 = 3,154.56/x
  3. Step 3: Cross multiply
    4,645.48x = 6,407.20 × 3,154.56
  4. Step 4: Simplify right side
    4,645.48x = 20,211,896.83
  5. Step 5: Solve for x
    x = 20,211,896.83/4,645.48
  6. Step 6: Final answer
    x = 4,350.87

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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.