Home / 6,646.53-9,173.21-3,995.13

Finding the Fourth Proportional to 6,646.53, 9,173.21 and 3,995.13

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Solution

The fourth proportional to 6,646.53, 9,173.21 and 3,995.13 is: 5,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.53 : 9,173.21 = 3,995.13 : x
  2. Step 2: Convert to fraction form
    6,646.53/9,173.21 = 3,995.13/x
  3. Step 3: Cross multiply
    6,646.53x = 9,173.21 × 3,995.13
  4. Step 4: Simplify right side
    6,646.53x = 36,648,146.49
  5. Step 5: Solve for x
    x = 36,648,146.49/6,646.53
  6. Step 6: Final answer
    x = 5,513.88

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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.