Home / 7,817.32-10,787.34-4,279.96

Finding the Fourth Proportional to 7,817.32, 10,787.34 and 4,279.96

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Solution

The fourth proportional to 7,817.32, 10,787.34 and 4,279.96 is: 5,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.32 : 10,787.34 = 4,279.96 : x
  2. Step 2: Convert to fraction form
    7,817.32/10,787.34 = 4,279.96/x
  3. Step 3: Cross multiply
    7,817.32x = 10,787.34 × 4,279.96
  4. Step 4: Simplify right side
    7,817.32x = 46,169,383.71
  5. Step 5: Solve for x
    x = 46,169,383.71/7,817.32
  6. Step 6: Final answer
    x = 5,906.04

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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.