Home / 6,423.88-8,864.76-3,629.56

Finding the Fourth Proportional to 6,423.88, 8,864.76 and 3,629.56

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Solution

The fourth proportional to 6,423.88, 8,864.76 and 3,629.56 is: 5,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.88 : 8,864.76 = 3,629.56 : x
  2. Step 2: Convert to fraction form
    6,423.88/8,864.76 = 3,629.56/x
  3. Step 3: Cross multiply
    6,423.88x = 8,864.76 × 3,629.56
  4. Step 4: Simplify right side
    6,423.88x = 32,175,178.31
  5. Step 5: Solve for x
    x = 32,175,178.31/6,423.88
  6. Step 6: Final answer
    x = 5,008.68

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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.