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Finding the Fourth Proportional to 8,323.83, 11,487.22 and 4,787.04

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Solution

The fourth proportional to 8,323.83, 11,487.22 and 4,787.04 is: 6,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.83 : 11,487.22 = 4,787.04 : x
  2. Step 2: Convert to fraction form
    8,323.83/11,487.22 = 4,787.04/x
  3. Step 3: Cross multiply
    8,323.83x = 11,487.22 × 4,787.04
  4. Step 4: Simplify right side
    8,323.83x = 54,989,781.63
  5. Step 5: Solve for x
    x = 54,989,781.63/8,323.83
  6. Step 6: Final answer
    x = 6,606.31

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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.