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Finding the Fourth Proportional to 6,927.14, 9,559.41 and 4,274.54

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Solution

The fourth proportional to 6,927.14, 9,559.41 and 4,274.54 is: 5,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.14 : 9,559.41 = 4,274.54 : x
  2. Step 2: Convert to fraction form
    6,927.14/9,559.41 = 4,274.54/x
  3. Step 3: Cross multiply
    6,927.14x = 9,559.41 × 4,274.54
  4. Step 4: Simplify right side
    6,927.14x = 40,862,080.42
  5. Step 5: Solve for x
    x = 40,862,080.42/6,927.14
  6. Step 6: Final answer
    x = 5,898.84

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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.