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Finding the Fourth Proportional to 6,447.16, 8,895.48 and 4,088.44

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Solution

The fourth proportional to 6,447.16, 8,895.48 and 4,088.44 is: 5,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.16 : 8,895.48 = 4,088.44 : x
  2. Step 2: Convert to fraction form
    6,447.16/8,895.48 = 4,088.44/x
  3. Step 3: Cross multiply
    6,447.16x = 8,895.48 × 4,088.44
  4. Step 4: Simplify right side
    6,447.16x = 36,368,636.25
  5. Step 5: Solve for x
    x = 36,368,636.25/6,447.16
  6. Step 6: Final answer
    x = 5,641.03

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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.