Home / 6,997.13-9,656.16-3,853.32

Finding the Fourth Proportional to 6,997.13, 9,656.16 and 3,853.32

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Solution

The fourth proportional to 6,997.13, 9,656.16 and 3,853.32 is: 5,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997.13 : 9,656.16 = 3,853.32 : x
  2. Step 2: Convert to fraction form
    6,997.13/9,656.16 = 3,853.32/x
  3. Step 3: Cross multiply
    6,997.13x = 9,656.16 × 3,853.32
  4. Step 4: Simplify right side
    6,997.13x = 37,208,274.45
  5. Step 5: Solve for x
    x = 37,208,274.45/6,997.13
  6. Step 6: Final answer
    x = 5,317.65

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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.