Home / 6,649.90-9,177.00-3,665.76

Finding the Fourth Proportional to 6,649.90, 9,177.00 and 3,665.76

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Solution

The fourth proportional to 6,649.90, 9,177.00 and 3,665.76 is: 5,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.90 : 9,177.00 = 3,665.76 : x
  2. Step 2: Convert to fraction form
    6,649.90/9,177.00 = 3,665.76/x
  3. Step 3: Cross multiply
    6,649.90x = 9,177.00 × 3,665.76
  4. Step 4: Simplify right side
    6,649.90x = 33,640,631.36
  5. Step 5: Solve for x
    x = 33,640,631.36/6,649.90
  6. Step 6: Final answer
    x = 5,058.82

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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.