Home / 8,787.64-13,182.34-2,944.68

Finding the Fourth Proportional to 8,787.64, 13,182.34 and 2,944.68

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Solution

The fourth proportional to 8,787.64, 13,182.34 and 2,944.68 is: 4,417.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.64 : 13,182.34 = 2,944.68 : x
  2. Step 2: Convert to fraction form
    8,787.64/13,182.34 = 2,944.68/x
  3. Step 3: Cross multiply
    8,787.64x = 13,182.34 × 2,944.68
  4. Step 4: Simplify right side
    8,787.64x = 38,817,772.95
  5. Step 5: Solve for x
    x = 38,817,772.95/8,787.64
  6. Step 6: Final answer
    x = 4,417.31

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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.