Home / 6,606.90-9,117.58-3,622.79

Finding the Fourth Proportional to 6,606.90, 9,117.58 and 3,622.79

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Solution

The fourth proportional to 6,606.90, 9,117.58 and 3,622.79 is: 4,999.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.90 : 9,117.58 = 3,622.79 : x
  2. Step 2: Convert to fraction form
    6,606.90/9,117.58 = 3,622.79/x
  3. Step 3: Cross multiply
    6,606.90x = 9,117.58 × 3,622.79
  4. Step 4: Simplify right side
    6,606.90x = 33,031,077.65
  5. Step 5: Solve for x
    x = 33,031,077.65/6,606.90
  6. Step 6: Final answer
    x = 4,999.48

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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.