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Finding the Fourth Proportional to 6,285.54, 9,428.04 and 1,902.81

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Solution

The fourth proportional to 6,285.54, 9,428.04 and 1,902.81 is: 2,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.54 : 9,428.04 = 1,902.81 : x
  2. Step 2: Convert to fraction form
    6,285.54/9,428.04 = 1,902.81/x
  3. Step 3: Cross multiply
    6,285.54x = 9,428.04 × 1,902.81
  4. Step 4: Simplify right side
    6,285.54x = 17,939,768.79
  5. Step 5: Solve for x
    x = 17,939,768.79/6,285.54
  6. Step 6: Final answer
    x = 2,854.13

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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.