Home / 5,269.39-7,905.53-1,571.74

Finding the Fourth Proportional to 5,269.39, 7,905.53 and 1,571.74

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Solution

The fourth proportional to 5,269.39, 7,905.53 and 1,571.74 is: 2,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.39 : 7,905.53 = 1,571.74 : x
  2. Step 2: Convert to fraction form
    5,269.39/7,905.53 = 1,571.74/x
  3. Step 3: Cross multiply
    5,269.39x = 7,905.53 × 1,571.74
  4. Step 4: Simplify right side
    5,269.39x = 12,425,421.89
  5. Step 5: Solve for x
    x = 12,425,421.89/5,269.39
  6. Step 6: Final answer
    x = 2,358.04

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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.