Home / 7,787.96-10,747.30-4,251.14

Finding the Fourth Proportional to 7,787.96, 10,747.30 and 4,251.14

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Solution

The fourth proportional to 7,787.96, 10,747.30 and 4,251.14 is: 5,866.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,787.96 : 10,747.30 = 4,251.14 : x
  2. Step 2: Convert to fraction form
    7,787.96/10,747.30 = 4,251.14/x
  3. Step 3: Cross multiply
    7,787.96x = 10,747.30 × 4,251.14
  4. Step 4: Simplify right side
    7,787.96x = 45,688,276.92
  5. Step 5: Solve for x
    x = 45,688,276.92/7,787.96
  6. Step 6: Final answer
    x = 5,866.53

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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.