Home / 6,550.91-9,038.70-3,717.66

Finding the Fourth Proportional to 6,550.91, 9,038.70 and 3,717.66

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Solution

The fourth proportional to 6,550.91, 9,038.70 and 3,717.66 is: 5,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.91 : 9,038.70 = 3,717.66 : x
  2. Step 2: Convert to fraction form
    6,550.91/9,038.70 = 3,717.66/x
  3. Step 3: Cross multiply
    6,550.91x = 9,038.70 × 3,717.66
  4. Step 4: Simplify right side
    6,550.91x = 33,602,794.85
  5. Step 5: Solve for x
    x = 33,602,794.85/6,550.91
  6. Step 6: Final answer
    x = 5,129.49

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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.