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Finding the Fourth Proportional to 4,992.72, 6,887.72 and 2,895.62

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Solution

The fourth proportional to 4,992.72, 6,887.72 and 2,895.62 is: 3,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.72 : 6,887.72 = 2,895.62 : x
  2. Step 2: Convert to fraction form
    4,992.72/6,887.72 = 2,895.62/x
  3. Step 3: Cross multiply
    4,992.72x = 6,887.72 × 2,895.62
  4. Step 4: Simplify right side
    4,992.72x = 19,944,219.79
  5. Step 5: Solve for x
    x = 19,944,219.79/4,992.72
  6. Step 6: Final answer
    x = 3,994.66

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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.