Home / 6,630.04-9,149.38-3,645.80

Finding the Fourth Proportional to 6,630.04, 9,149.38 and 3,645.80

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Solution

The fourth proportional to 6,630.04, 9,149.38 and 3,645.80 is: 5,031.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.04 : 9,149.38 = 3,645.80 : x
  2. Step 2: Convert to fraction form
    6,630.04/9,149.38 = 3,645.80/x
  3. Step 3: Cross multiply
    6,630.04x = 9,149.38 × 3,645.80
  4. Step 4: Simplify right side
    6,630.04x = 33,356,754.74
  5. Step 5: Solve for x
    x = 33,356,754.74/6,630.04
  6. Step 6: Final answer
    x = 5,031.16

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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.