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Finding the Fourth Proportional to 6,612.58, 9,916.29 and 3,323.38

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Solution

The fourth proportional to 6,612.58, 9,916.29 and 3,323.38 is: 4,983.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.58 : 9,916.29 = 3,323.38 : x
  2. Step 2: Convert to fraction form
    6,612.58/9,916.29 = 3,323.38/x
  3. Step 3: Cross multiply
    6,612.58x = 9,916.29 × 3,323.38
  4. Step 4: Simplify right side
    6,612.58x = 32,955,550.28
  5. Step 5: Solve for x
    x = 32,955,550.28/6,612.58
  6. Step 6: Final answer
    x = 4,983.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.