Home / 6,616.68-9,131.34-3,632.49

Finding the Fourth Proportional to 6,616.68, 9,131.34 and 3,632.49

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Solution

The fourth proportional to 6,616.68, 9,131.34 and 3,632.49 is: 5,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.68 : 9,131.34 = 3,632.49 : x
  2. Step 2: Convert to fraction form
    6,616.68/9,131.34 = 3,632.49/x
  3. Step 3: Cross multiply
    6,616.68x = 9,131.34 × 3,632.49
  4. Step 4: Simplify right side
    6,616.68x = 33,169,501.24
  5. Step 5: Solve for x
    x = 33,169,501.24/6,616.68
  6. Step 6: Final answer
    x = 5,013.01

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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.