Home / 6,927.20-9,557.16-3,942.29

Finding the Fourth Proportional to 6,927.20, 9,557.16 and 3,942.29

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Solution

The fourth proportional to 6,927.20, 9,557.16 and 3,942.29 is: 5,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.20 : 9,557.16 = 3,942.29 : x
  2. Step 2: Convert to fraction form
    6,927.20/9,557.16 = 3,942.29/x
  3. Step 3: Cross multiply
    6,927.20x = 9,557.16 × 3,942.29
  4. Step 4: Simplify right side
    6,927.20x = 37,677,084.91
  5. Step 5: Solve for x
    x = 37,677,084.91/6,927.20
  6. Step 6: Final answer
    x = 5,439.01

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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.