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Finding the Fourth Proportional to 6,300.08, 8,691.12 and 4,893.20

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Solution

The fourth proportional to 6,300.08, 8,691.12 and 4,893.20 is: 6,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300.08 : 8,691.12 = 4,893.20 : x
  2. Step 2: Convert to fraction form
    6,300.08/8,691.12 = 4,893.20/x
  3. Step 3: Cross multiply
    6,300.08x = 8,691.12 × 4,893.20
  4. Step 4: Simplify right side
    6,300.08x = 42,527,388.38
  5. Step 5: Solve for x
    x = 42,527,388.38/6,300.08
  6. Step 6: Final answer
    x = 6,750.29

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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.