Home / 6,123.07-8,449.80-3,328.57

Finding the Fourth Proportional to 6,123.07, 8,449.80 and 3,328.57

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Solution

The fourth proportional to 6,123.07, 8,449.80 and 3,328.57 is: 4,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.07 : 8,449.80 = 3,328.57 : x
  2. Step 2: Convert to fraction form
    6,123.07/8,449.80 = 3,328.57/x
  3. Step 3: Cross multiply
    6,123.07x = 8,449.80 × 3,328.57
  4. Step 4: Simplify right side
    6,123.07x = 28,125,750.79
  5. Step 5: Solve for x
    x = 28,125,750.79/6,123.07
  6. Step 6: Final answer
    x = 4,593.41

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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.