Home / 9,340.54-13,998.70-3,787.40

Finding the Fourth Proportional to 9,340.54, 13,998.70 and 3,787.40

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Solution

The fourth proportional to 9,340.54, 13,998.70 and 3,787.40 is: 5,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.54 : 13,998.70 = 3,787.40 : x
  2. Step 2: Convert to fraction form
    9,340.54/13,998.70 = 3,787.40/x
  3. Step 3: Cross multiply
    9,340.54x = 13,998.70 × 3,787.40
  4. Step 4: Simplify right side
    9,340.54x = 53,018,676.38
  5. Step 5: Solve for x
    x = 53,018,676.38/9,340.54
  6. Step 6: Final answer
    x = 5,676.19

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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.