Home / 6,613.95-9,127.71-3,629.79

Finding the Fourth Proportional to 6,613.95, 9,127.71 and 3,629.79

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Solution

The fourth proportional to 6,613.95, 9,127.71 and 3,629.79 is: 5,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.95 : 9,127.71 = 3,629.79 : x
  2. Step 2: Convert to fraction form
    6,613.95/9,127.71 = 3,629.79/x
  3. Step 3: Cross multiply
    6,613.95x = 9,127.71 × 3,629.79
  4. Step 4: Simplify right side
    6,613.95x = 33,131,670.48
  5. Step 5: Solve for x
    x = 33,131,670.48/6,613.95
  6. Step 6: Final answer
    x = 5,009.36

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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.