Home / 8,490.96-11,716.47-4,951.62

Finding the Fourth Proportional to 8,490.96, 11,716.47 and 4,951.62

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Solution

The fourth proportional to 8,490.96, 11,716.47 and 4,951.62 is: 6,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490.96 : 11,716.47 = 4,951.62 : x
  2. Step 2: Convert to fraction form
    8,490.96/11,716.47 = 4,951.62/x
  3. Step 3: Cross multiply
    8,490.96x = 11,716.47 × 4,951.62
  4. Step 4: Simplify right side
    8,490.96x = 58,015,507.18
  5. Step 5: Solve for x
    x = 58,015,507.18/8,490.96
  6. Step 6: Final answer
    x = 6,832.62

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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.