Home / 6,429.20-9,641.70-2,268.50

Finding the Fourth Proportional to 6,429.20, 9,641.70 and 2,268.50

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Solution

The fourth proportional to 6,429.20, 9,641.70 and 2,268.50 is: 3,402.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.20 : 9,641.70 = 2,268.50 : x
  2. Step 2: Convert to fraction form
    6,429.20/9,641.70 = 2,268.50/x
  3. Step 3: Cross multiply
    6,429.20x = 9,641.70 × 2,268.50
  4. Step 4: Simplify right side
    6,429.20x = 21,872,196.45
  5. Step 5: Solve for x
    x = 21,872,196.45/6,429.20
  6. Step 6: Final answer
    x = 3,402.01

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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.