Home / 6,609.50-9,120.95-3,625.31

Finding the Fourth Proportional to 6,609.50, 9,120.95 and 3,625.31

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Solution

The fourth proportional to 6,609.50, 9,120.95 and 3,625.31 is: 5,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.50 : 9,120.95 = 3,625.31 : x
  2. Step 2: Convert to fraction form
    6,609.50/9,120.95 = 3,625.31/x
  3. Step 3: Cross multiply
    6,609.50x = 9,120.95 × 3,625.31
  4. Step 4: Simplify right side
    6,609.50x = 33,066,225.64
  5. Step 5: Solve for x
    x = 33,066,225.64/6,609.50
  6. Step 6: Final answer
    x = 5,002.84

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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.