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Finding the Fourth Proportional to 9,373.12, 14,061.12 and 2,798.56

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Solution

The fourth proportional to 9,373.12, 14,061.12 and 2,798.56 is: 4,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.12 : 14,061.12 = 2,798.56 : x
  2. Step 2: Convert to fraction form
    9,373.12/14,061.12 = 2,798.56/x
  3. Step 3: Cross multiply
    9,373.12x = 14,061.12 × 2,798.56
  4. Step 4: Simplify right side
    9,373.12x = 39,350,887.99
  5. Step 5: Solve for x
    x = 39,350,887.99/9,373.12
  6. Step 6: Final answer
    x = 4,198.27

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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.