Home / 7,587.72-11,382.12-2,041.20

Finding the Fourth Proportional to 7,587.72, 11,382.12 and 2,041.20

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Solution

The fourth proportional to 7,587.72, 11,382.12 and 2,041.20 is: 3,061.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.72 : 11,382.12 = 2,041.20 : x
  2. Step 2: Convert to fraction form
    7,587.72/11,382.12 = 2,041.20/x
  3. Step 3: Cross multiply
    7,587.72x = 11,382.12 × 2,041.20
  4. Step 4: Simplify right side
    7,587.72x = 23,233,183.34
  5. Step 5: Solve for x
    x = 23,233,183.34/7,587.72
  6. Step 6: Final answer
    x = 3,061.95

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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.