Home / 5,421.54-8,132.85-2,500.68

Finding the Fourth Proportional to 5,421.54, 8,132.85 and 2,500.68

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Solution

The fourth proportional to 5,421.54, 8,132.85 and 2,500.68 is: 3,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.54 : 8,132.85 = 2,500.68 : x
  2. Step 2: Convert to fraction form
    5,421.54/8,132.85 = 2,500.68/x
  3. Step 3: Cross multiply
    5,421.54x = 8,132.85 × 2,500.68
  4. Step 4: Simplify right side
    5,421.54x = 20,337,655.34
  5. Step 5: Solve for x
    x = 20,337,655.34/5,421.54
  6. Step 6: Final answer
    x = 3,751.27

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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.