Home / 7,847.28-10,823.22-4,864.86

Finding the Fourth Proportional to 7,847.28, 10,823.22 and 4,864.86

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Solution

The fourth proportional to 7,847.28, 10,823.22 and 4,864.86 is: 6,709.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.28 : 10,823.22 = 4,864.86 : x
  2. Step 2: Convert to fraction form
    7,847.28/10,823.22 = 4,864.86/x
  3. Step 3: Cross multiply
    7,847.28x = 10,823.22 × 4,864.86
  4. Step 4: Simplify right side
    7,847.28x = 52,653,450.05
  5. Step 5: Solve for x
    x = 52,653,450.05/7,847.28
  6. Step 6: Final answer
    x = 6,709.77

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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.