Home / 6,656.40-9,186.28-3,824.69

Finding the Fourth Proportional to 6,656.40, 9,186.28 and 3,824.69

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Solution

The fourth proportional to 6,656.40, 9,186.28 and 3,824.69 is: 5,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.40 : 9,186.28 = 3,824.69 : x
  2. Step 2: Convert to fraction form
    6,656.40/9,186.28 = 3,824.69/x
  3. Step 3: Cross multiply
    6,656.40x = 9,186.28 × 3,824.69
  4. Step 4: Simplify right side
    6,656.40x = 35,134,617.76
  5. Step 5: Solve for x
    x = 35,134,617.76/6,656.40
  6. Step 6: Final answer
    x = 5,278.32

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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.