Home / 5,420.88-8,124.84-3,337.56

Finding the Fourth Proportional to 5,420.88, 8,124.84 and 3,337.56

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Solution

The fourth proportional to 5,420.88, 8,124.84 and 3,337.56 is: 5,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.88 : 8,124.84 = 3,337.56 : x
  2. Step 2: Convert to fraction form
    5,420.88/8,124.84 = 3,337.56/x
  3. Step 3: Cross multiply
    5,420.88x = 8,124.84 × 3,337.56
  4. Step 4: Simplify right side
    5,420.88x = 27,117,140.99
  5. Step 5: Solve for x
    x = 27,117,140.99/5,420.88
  6. Step 6: Final answer
    x = 5,002.35

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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.