Home / 6,363.45-8,781.53-3,530.75

Finding the Fourth Proportional to 6,363.45, 8,781.53 and 3,530.75

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Solution

The fourth proportional to 6,363.45, 8,781.53 and 3,530.75 is: 4,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.45 : 8,781.53 = 3,530.75 : x
  2. Step 2: Convert to fraction form
    6,363.45/8,781.53 = 3,530.75/x
  3. Step 3: Cross multiply
    6,363.45x = 8,781.53 × 3,530.75
  4. Step 4: Simplify right side
    6,363.45x = 31,005,325.49
  5. Step 5: Solve for x
    x = 31,005,325.49/6,363.45
  6. Step 6: Final answer
    x = 4,872.41

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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.