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Finding the Fourth Proportional to 6,601.65, 9,905.68 and 2,903.39

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Solution

The fourth proportional to 6,601.65, 9,905.68 and 2,903.39 is: 4,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.65 : 9,905.68 = 2,903.39 : x
  2. Step 2: Convert to fraction form
    6,601.65/9,905.68 = 2,903.39/x
  3. Step 3: Cross multiply
    6,601.65x = 9,905.68 × 2,903.39
  4. Step 4: Simplify right side
    6,601.65x = 28,760,043.50
  5. Step 5: Solve for x
    x = 28,760,043.50/6,601.65
  6. Step 6: Final answer
    x = 4,356.50

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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.