Home / 5,660.83-7,811.58-3,142.94

Finding the Fourth Proportional to 5,660.83, 7,811.58 and 3,142.94

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Solution

The fourth proportional to 5,660.83, 7,811.58 and 3,142.94 is: 4,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.83 : 7,811.58 = 3,142.94 : x
  2. Step 2: Convert to fraction form
    5,660.83/7,811.58 = 3,142.94/x
  3. Step 3: Cross multiply
    5,660.83x = 7,811.58 × 3,142.94
  4. Step 4: Simplify right side
    5,660.83x = 24,551,282.29
  5. Step 5: Solve for x
    x = 24,551,282.29/5,660.83
  6. Step 6: Final answer
    x = 4,337.05

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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.