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Finding the Fourth Proportional to 6,601.47, 9,903.74 and 2,903.99

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Solution

The fourth proportional to 6,601.47, 9,903.74 and 2,903.99 is: 4,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.47 : 9,903.74 = 2,903.99 : x
  2. Step 2: Convert to fraction form
    6,601.47/9,903.74 = 2,903.99/x
  3. Step 3: Cross multiply
    6,601.47x = 9,903.74 × 2,903.99
  4. Step 4: Simplify right side
    6,601.47x = 28,760,361.92
  5. Step 5: Solve for x
    x = 28,760,361.92/6,601.47
  6. Step 6: Final answer
    x = 4,356.66

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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.