Home / 6,773.49-9,348.89-4,121.76

Finding the Fourth Proportional to 6,773.49, 9,348.89 and 4,121.76

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Solution

The fourth proportional to 6,773.49, 9,348.89 and 4,121.76 is: 5,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,773.49 : 9,348.89 = 4,121.76 : x
  2. Step 2: Convert to fraction form
    6,773.49/9,348.89 = 4,121.76/x
  3. Step 3: Cross multiply
    6,773.49x = 9,348.89 × 4,121.76
  4. Step 4: Simplify right side
    6,773.49x = 38,533,825.18
  5. Step 5: Solve for x
    x = 38,533,825.18/6,773.49
  6. Step 6: Final answer
    x = 5,688.91

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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.