Home / 5,641.70-8,455.46-2,869.07

Finding the Fourth Proportional to 5,641.70, 8,455.46 and 2,869.07

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Solution

The fourth proportional to 5,641.70, 8,455.46 and 2,869.07 is: 4,299.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.70 : 8,455.46 = 2,869.07 : x
  2. Step 2: Convert to fraction form
    5,641.70/8,455.46 = 2,869.07/x
  3. Step 3: Cross multiply
    5,641.70x = 8,455.46 × 2,869.07
  4. Step 4: Simplify right side
    5,641.70x = 24,259,250.00
  5. Step 5: Solve for x
    x = 24,259,250.00/5,641.70
  6. Step 6: Final answer
    x = 4,299.99

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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.