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Finding the Fourth Proportional to 6,618.94, 9,930.08 and 2,922.19

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Solution

The fourth proportional to 6,618.94, 9,930.08 and 2,922.19 is: 4,384.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.94 : 9,930.08 = 2,922.19 : x
  2. Step 2: Convert to fraction form
    6,618.94/9,930.08 = 2,922.19/x
  3. Step 3: Cross multiply
    6,618.94x = 9,930.08 × 2,922.19
  4. Step 4: Simplify right side
    6,618.94x = 29,017,580.48
  5. Step 5: Solve for x
    x = 29,017,580.48/6,618.94
  6. Step 6: Final answer
    x = 4,384.02

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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.