Home / 6,634.95-9,155.87-3,650.91

Finding the Fourth Proportional to 6,634.95, 9,155.87 and 3,650.91

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Solution

The fourth proportional to 6,634.95, 9,155.87 and 3,650.91 is: 5,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.95 : 9,155.87 = 3,650.91 : x
  2. Step 2: Convert to fraction form
    6,634.95/9,155.87 = 3,650.91/x
  3. Step 3: Cross multiply
    6,634.95x = 9,155.87 × 3,650.91
  4. Step 4: Simplify right side
    6,634.95x = 33,427,239.09
  5. Step 5: Solve for x
    x = 33,427,239.09/6,634.95
  6. Step 6: Final answer
    x = 5,038.05

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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.