Home / 7,787.16-10,743.70-4,429.64

Finding the Fourth Proportional to 7,787.16, 10,743.70 and 4,429.64

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Solution

The fourth proportional to 7,787.16, 10,743.70 and 4,429.64 is: 6,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.16 : 10,743.70 = 4,429.64 : x
  2. Step 2: Convert to fraction form
    7,787.16/10,743.70 = 4,429.64/x
  3. Step 3: Cross multiply
    7,787.16x = 10,743.70 × 4,429.64
  4. Step 4: Simplify right side
    7,787.16x = 47,590,723.27
  5. Step 5: Solve for x
    x = 47,590,723.27/7,787.16
  6. Step 6: Final answer
    x = 6,111.44

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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.