Home / 6,607.21-9,117.88-3,623.07

Finding the Fourth Proportional to 6,607.21, 9,117.88 and 3,623.07

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Solution

The fourth proportional to 6,607.21, 9,117.88 and 3,623.07 is: 4,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.21 : 9,117.88 = 3,623.07 : x
  2. Step 2: Convert to fraction form
    6,607.21/9,117.88 = 3,623.07/x
  3. Step 3: Cross multiply
    6,607.21x = 9,117.88 × 3,623.07
  4. Step 4: Simplify right side
    6,607.21x = 33,034,671.90
  5. Step 5: Solve for x
    x = 33,034,671.90/6,607.21
  6. Step 6: Final answer
    x = 4,999.79

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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.