Home / 6,217.50-8,580.27-3,423

Finding the Fourth Proportional to 6,217.50, 8,580.27 and 3,423

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Solution

The fourth proportional to 6,217.50, 8,580.27 and 3,423 is: 4,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.50 : 8,580.27 = 3,423 : x
  2. Step 2: Convert to fraction form
    6,217.50/8,580.27 = 3,423/x
  3. Step 3: Cross multiply
    6,217.50x = 8,580.27 × 3,423
  4. Step 4: Simplify right side
    6,217.50x = 29,370,264.21
  5. Step 5: Solve for x
    x = 29,370,264.21/6,217.50
  6. Step 6: Final answer
    x = 4,723.81

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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.