Home / 6,607.07-9,117.75-3,622.84

Finding the Fourth Proportional to 6,607.07, 9,117.75 and 3,622.84

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Solution

The fourth proportional to 6,607.07, 9,117.75 and 3,622.84 is: 4,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.07 : 9,117.75 = 3,622.84 : x
  2. Step 2: Convert to fraction form
    6,607.07/9,117.75 = 3,622.84/x
  3. Step 3: Cross multiply
    6,607.07x = 9,117.75 × 3,622.84
  4. Step 4: Simplify right side
    6,607.07x = 33,032,149.41
  5. Step 5: Solve for x
    x = 33,032,149.41/6,607.07
  6. Step 6: Final answer
    x = 4,999.52

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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.