Home / 4,805.61-6,628.33-3,123.91

Finding the Fourth Proportional to 4,805.61, 6,628.33 and 3,123.91

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Solution

The fourth proportional to 4,805.61, 6,628.33 and 3,123.91 is: 4,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.61 : 6,628.33 = 3,123.91 : x
  2. Step 2: Convert to fraction form
    4,805.61/6,628.33 = 3,123.91/x
  3. Step 3: Cross multiply
    4,805.61x = 6,628.33 × 3,123.91
  4. Step 4: Simplify right side
    4,805.61x = 20,706,306.37
  5. Step 5: Solve for x
    x = 20,706,306.37/4,805.61
  6. Step 6: Final answer
    x = 4,308.78

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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.