Home / 4,979.32-7,466.45-2,787.46

Finding the Fourth Proportional to 4,979.32, 7,466.45 and 2,787.46

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Solution

The fourth proportional to 4,979.32, 7,466.45 and 2,787.46 is: 4,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.32 : 7,466.45 = 2,787.46 : x
  2. Step 2: Convert to fraction form
    4,979.32/7,466.45 = 2,787.46/x
  3. Step 3: Cross multiply
    4,979.32x = 7,466.45 × 2,787.46
  4. Step 4: Simplify right side
    4,979.32x = 20,812,430.72
  5. Step 5: Solve for x
    x = 20,812,430.72/4,979.32
  6. Step 6: Final answer
    x = 4,179.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.