Home / 7,077.39-9,766.89-4,093.35

Finding the Fourth Proportional to 7,077.39, 9,766.89 and 4,093.35

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Solution

The fourth proportional to 7,077.39, 9,766.89 and 4,093.35 is: 5,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.39 : 9,766.89 = 4,093.35 : x
  2. Step 2: Convert to fraction form
    7,077.39/9,766.89 = 4,093.35/x
  3. Step 3: Cross multiply
    7,077.39x = 9,766.89 × 4,093.35
  4. Step 4: Simplify right side
    7,077.39x = 39,979,299.18
  5. Step 5: Solve for x
    x = 39,979,299.18/7,077.39
  6. Step 6: Final answer
    x = 5,648.88

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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.