Home / 9,102.02-13,653.18-2,861.90

Finding the Fourth Proportional to 9,102.02, 13,653.18 and 2,861.90

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Solution

The fourth proportional to 9,102.02, 13,653.18 and 2,861.90 is: 4,292.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.02 : 13,653.18 = 2,861.90 : x
  2. Step 2: Convert to fraction form
    9,102.02/13,653.18 = 2,861.90/x
  3. Step 3: Cross multiply
    9,102.02x = 13,653.18 × 2,861.90
  4. Step 4: Simplify right side
    9,102.02x = 39,074,035.84
  5. Step 5: Solve for x
    x = 39,074,035.84/9,102.02
  6. Step 6: Final answer
    x = 4,292.90

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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.