Home / 9,013.35-13,520.51-2,777.65

Finding the Fourth Proportional to 9,013.35, 13,520.51 and 2,777.65

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Solution

The fourth proportional to 9,013.35, 13,520.51 and 2,777.65 is: 4,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.35 : 13,520.51 = 2,777.65 : x
  2. Step 2: Convert to fraction form
    9,013.35/13,520.51 = 2,777.65/x
  3. Step 3: Cross multiply
    9,013.35x = 13,520.51 × 2,777.65
  4. Step 4: Simplify right side
    9,013.35x = 37,555,210.80
  5. Step 5: Solve for x
    x = 37,555,210.80/9,013.35
  6. Step 6: Final answer
    x = 4,166.62

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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.