Home / 5,841.28-8,756.70-2,142.64

Finding the Fourth Proportional to 5,841.28, 8,756.70 and 2,142.64

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Solution

The fourth proportional to 5,841.28, 8,756.70 and 2,142.64 is: 3,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,841.28 : 8,756.70 = 2,142.64 : x
  2. Step 2: Convert to fraction form
    5,841.28/8,756.70 = 2,142.64/x
  3. Step 3: Cross multiply
    5,841.28x = 8,756.70 × 2,142.64
  4. Step 4: Simplify right side
    5,841.28x = 18,762,455.69
  5. Step 5: Solve for x
    x = 18,762,455.69/5,841.28
  6. Step 6: Final answer
    x = 3,212.05

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1.5x scale

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.