Home / 9,038.15-13,579.10-5,757.65

Finding the Fourth Proportional to 9,038.15, 13,579.10 and 5,757.65

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Solution

The fourth proportional to 9,038.15, 13,579.10 and 5,757.65 is: 8,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.15 : 13,579.10 = 5,757.65 : x
  2. Step 2: Convert to fraction form
    9,038.15/13,579.10 = 5,757.65/x
  3. Step 3: Cross multiply
    9,038.15x = 13,579.10 × 5,757.65
  4. Step 4: Simplify right side
    9,038.15x = 78,183,608.43
  5. Step 5: Solve for x
    x = 78,183,608.43/9,038.15
  6. Step 6: Final answer
    x = 8,650.40

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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.