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Finding the Fourth Proportional to 3,373.32, 5,059.96 and 907.93

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Solution

The fourth proportional to 3,373.32, 5,059.96 and 907.93 is: 1,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.32 : 5,059.96 = 907.93 : x
  2. Step 2: Convert to fraction form
    3,373.32/5,059.96 = 907.93/x
  3. Step 3: Cross multiply
    3,373.32x = 5,059.96 × 907.93
  4. Step 4: Simplify right side
    3,373.32x = 4,594,089.48
  5. Step 5: Solve for x
    x = 4,594,089.48/3,373.32
  6. Step 6: Final answer
    x = 1,361.89

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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.