Home / 7,509.10-11,266.05-2,581.90

Finding the Fourth Proportional to 7,509.10, 11,266.05 and 2,581.90

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Solution

The fourth proportional to 7,509.10, 11,266.05 and 2,581.90 is: 3,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.10 : 11,266.05 = 2,581.90 : x
  2. Step 2: Convert to fraction form
    7,509.10/11,266.05 = 2,581.90/x
  3. Step 3: Cross multiply
    7,509.10x = 11,266.05 × 2,581.90
  4. Step 4: Simplify right side
    7,509.10x = 29,087,814.50
  5. Step 5: Solve for x
    x = 29,087,814.50/7,509.10
  6. Step 6: Final answer
    x = 3,873.68

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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.