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Finding the Fourth Proportional to 9,361.40, 14,042.10 and 2,435.90

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Solution

The fourth proportional to 9,361.40, 14,042.10 and 2,435.90 is: 3,653.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.40 : 14,042.10 = 2,435.90 : x
  2. Step 2: Convert to fraction form
    9,361.40/14,042.10 = 2,435.90/x
  3. Step 3: Cross multiply
    9,361.40x = 14,042.10 × 2,435.90
  4. Step 4: Simplify right side
    9,361.40x = 34,205,151.39
  5. Step 5: Solve for x
    x = 34,205,151.39/9,361.40
  6. Step 6: Final answer
    x = 3,653.85

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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.