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Finding the Fourth Proportional to 6,577.79, 9,077.53 and 3,926.74

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Solution

The fourth proportional to 6,577.79, 9,077.53 and 3,926.74 is: 5,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,577.79 : 9,077.53 = 3,926.74 : x
  2. Step 2: Convert to fraction form
    6,577.79/9,077.53 = 3,926.74/x
  3. Step 3: Cross multiply
    6,577.79x = 9,077.53 × 3,926.74
  4. Step 4: Simplify right side
    6,577.79x = 35,645,067.64
  5. Step 5: Solve for x
    x = 35,645,067.64/6,577.79
  6. Step 6: Final answer
    x = 5,419.00

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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.