Home / 7,519.36-11,280.22-2,587.76

Finding the Fourth Proportional to 7,519.36, 11,280.22 and 2,587.76

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Solution

The fourth proportional to 7,519.36, 11,280.22 and 2,587.76 is: 3,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.36 : 11,280.22 = 2,587.76 : x
  2. Step 2: Convert to fraction form
    7,519.36/11,280.22 = 2,587.76/x
  3. Step 3: Cross multiply
    7,519.36x = 11,280.22 × 2,587.76
  4. Step 4: Simplify right side
    7,519.36x = 29,190,502.11
  5. Step 5: Solve for x
    x = 29,190,502.11/7,519.36
  6. Step 6: Final answer
    x = 3,882.05

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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.