Home / 8,965.89-13,420.08-4,795.47

Finding the Fourth Proportional to 8,965.89, 13,420.08 and 4,795.47

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Solution

The fourth proportional to 8,965.89, 13,420.08 and 4,795.47 is: 7,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.89 : 13,420.08 = 4,795.47 : x
  2. Step 2: Convert to fraction form
    8,965.89/13,420.08 = 4,795.47/x
  3. Step 3: Cross multiply
    8,965.89x = 13,420.08 × 4,795.47
  4. Step 4: Simplify right side
    8,965.89x = 64,355,591.04
  5. Step 5: Solve for x
    x = 64,355,591.04/8,965.89
  6. Step 6: Final answer
    x = 7,177.83

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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.