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Finding the Fourth Proportional to 9,483.80, 14,223.87 and 2,908.22

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Solution

The fourth proportional to 9,483.80, 14,223.87 and 2,908.22 is: 4,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,483.80 : 14,223.87 = 2,908.22 : x
  2. Step 2: Convert to fraction form
    9,483.80/14,223.87 = 2,908.22/x
  3. Step 3: Cross multiply
    9,483.80x = 14,223.87 × 2,908.22
  4. Step 4: Simplify right side
    9,483.80x = 41,366,152.10
  5. Step 5: Solve for x
    x = 41,366,152.10/9,483.80
  6. Step 6: Final answer
    x = 4,361.77

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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.