Home / 6,285.05-9,428.78-2,389.15

Finding the Fourth Proportional to 6,285.05, 9,428.78 and 2,389.15

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Solution

The fourth proportional to 6,285.05, 9,428.78 and 2,389.15 is: 3,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.05 : 9,428.78 = 2,389.15 : x
  2. Step 2: Convert to fraction form
    6,285.05/9,428.78 = 2,389.15/x
  3. Step 3: Cross multiply
    6,285.05x = 9,428.78 × 2,389.15
  4. Step 4: Simplify right side
    6,285.05x = 22,526,787.50
  5. Step 5: Solve for x
    x = 22,526,787.50/6,285.05
  6. Step 6: Final answer
    x = 3,584.19

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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.