Home / 4,222-6,337.88-1,913.52

Finding the Fourth Proportional to 4,222, 6,337.88 and 1,913.52

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Solution

The fourth proportional to 4,222, 6,337.88 and 1,913.52 is: 2,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222 : 6,337.88 = 1,913.52 : x
  2. Step 2: Convert to fraction form
    4,222/6,337.88 = 1,913.52/x
  3. Step 3: Cross multiply
    4,222x = 6,337.88 × 1,913.52
  4. Step 4: Simplify right side
    4,222x = 12,127,660.14
  5. Step 5: Solve for x
    x = 12,127,660.14/4,222
  6. Step 6: Final answer
    x = 2,872.49

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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.