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Finding the Fourth Proportional to 6,285.93, 9,429.36 and 1,903.74

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Solution

The fourth proportional to 6,285.93, 9,429.36 and 1,903.74 is: 2,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.93 : 9,429.36 = 1,903.74 : x
  2. Step 2: Convert to fraction form
    6,285.93/9,429.36 = 1,903.74/x
  3. Step 3: Cross multiply
    6,285.93x = 9,429.36 × 1,903.74
  4. Step 4: Simplify right side
    6,285.93x = 17,951,049.81
  5. Step 5: Solve for x
    x = 17,951,049.81/6,285.93
  6. Step 6: Final answer
    x = 2,855.75

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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.