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Finding the Fourth Proportional to 6,320.08, 8,718.06 and 3,800.44

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Solution

The fourth proportional to 6,320.08, 8,718.06 and 3,800.44 is: 5,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.08 : 8,718.06 = 3,800.44 : x
  2. Step 2: Convert to fraction form
    6,320.08/8,718.06 = 3,800.44/x
  3. Step 3: Cross multiply
    6,320.08x = 8,718.06 × 3,800.44
  4. Step 4: Simplify right side
    6,320.08x = 33,132,463.95
  5. Step 5: Solve for x
    x = 33,132,463.95/6,320.08
  6. Step 6: Final answer
    x = 5,242.41

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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.