Home / 8,988.94-13,485.18-2,749.85

Finding the Fourth Proportional to 8,988.94, 13,485.18 and 2,749.85

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Solution

The fourth proportional to 8,988.94, 13,485.18 and 2,749.85 is: 4,125.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.94 : 13,485.18 = 2,749.85 : x
  2. Step 2: Convert to fraction form
    8,988.94/13,485.18 = 2,749.85/x
  3. Step 3: Cross multiply
    8,988.94x = 13,485.18 × 2,749.85
  4. Step 4: Simplify right side
    8,988.94x = 37,082,154.80
  5. Step 5: Solve for x
    x = 37,082,154.80/8,988.94
  6. Step 6: Final answer
    x = 4,125.31

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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.