Home / 5,614.37-8,421.49-2,151.62

Finding the Fourth Proportional to 5,614.37, 8,421.49 and 2,151.62

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Solution

The fourth proportional to 5,614.37, 8,421.49 and 2,151.62 is: 3,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.37 : 8,421.49 = 2,151.62 : x
  2. Step 2: Convert to fraction form
    5,614.37/8,421.49 = 2,151.62/x
  3. Step 3: Cross multiply
    5,614.37x = 8,421.49 × 2,151.62
  4. Step 4: Simplify right side
    5,614.37x = 18,119,838.48
  5. Step 5: Solve for x
    x = 18,119,838.48/5,614.37
  6. Step 6: Final answer
    x = 3,227.40

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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.