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Finding the Fourth Proportional to 6,446.10, 8,899.91 and 4,951.35

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Solution

The fourth proportional to 6,446.10, 8,899.91 and 4,951.35 is: 6,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.10 : 8,899.91 = 4,951.35 : x
  2. Step 2: Convert to fraction form
    6,446.10/8,899.91 = 4,951.35/x
  3. Step 3: Cross multiply
    6,446.10x = 8,899.91 × 4,951.35
  4. Step 4: Simplify right side
    6,446.10x = 44,066,569.38
  5. Step 5: Solve for x
    x = 44,066,569.38/6,446.10
  6. Step 6: Final answer
    x = 6,836.16

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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.