Home / 6,320.41-8,722.35-3,487.96

Finding the Fourth Proportional to 6,320.41, 8,722.35 and 3,487.96

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Solution

The fourth proportional to 6,320.41, 8,722.35 and 3,487.96 is: 4,813.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.41 : 8,722.35 = 3,487.96 : x
  2. Step 2: Convert to fraction form
    6,320.41/8,722.35 = 3,487.96/x
  3. Step 3: Cross multiply
    6,320.41x = 8,722.35 × 3,487.96
  4. Step 4: Simplify right side
    6,320.41x = 30,423,207.91
  5. Step 5: Solve for x
    x = 30,423,207.91/6,320.41
  6. Step 6: Final answer
    x = 4,813.49

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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.