Home / 6,613.04-9,125.84-3,628.80

Finding the Fourth Proportional to 6,613.04, 9,125.84 and 3,628.80

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Solution

The fourth proportional to 6,613.04, 9,125.84 and 3,628.80 is: 5,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.04 : 9,125.84 = 3,628.80 : x
  2. Step 2: Convert to fraction form
    6,613.04/9,125.84 = 3,628.80/x
  3. Step 3: Cross multiply
    6,613.04x = 9,125.84 × 3,628.80
  4. Step 4: Simplify right side
    6,613.04x = 33,115,848.19
  5. Step 5: Solve for x
    x = 33,115,848.19/6,613.04
  6. Step 6: Final answer
    x = 5,007.66

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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.