Home / 9,018.03-13,528.58-2,777.91

Finding the Fourth Proportional to 9,018.03, 13,528.58 and 2,777.91

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Solution

The fourth proportional to 9,018.03, 13,528.58 and 2,777.91 is: 4,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.03 : 13,528.58 = 2,777.91 : x
  2. Step 2: Convert to fraction form
    9,018.03/13,528.58 = 2,777.91/x
  3. Step 3: Cross multiply
    9,018.03x = 13,528.58 × 2,777.91
  4. Step 4: Simplify right side
    9,018.03x = 37,581,163.78
  5. Step 5: Solve for x
    x = 37,581,163.78/9,018.03
  6. Step 6: Final answer
    x = 4,167.34

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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.