Home / 7,267.86-10,015.65-4,905.90

Finding the Fourth Proportional to 7,267.86, 10,015.65 and 4,905.90

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Solution

The fourth proportional to 7,267.86, 10,015.65 and 4,905.90 is: 6,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.86 : 10,015.65 = 4,905.90 : x
  2. Step 2: Convert to fraction form
    7,267.86/10,015.65 = 4,905.90/x
  3. Step 3: Cross multiply
    7,267.86x = 10,015.65 × 4,905.90
  4. Step 4: Simplify right side
    7,267.86x = 49,135,777.34
  5. Step 5: Solve for x
    x = 49,135,777.34/7,267.86
  6. Step 6: Final answer
    x = 6,760.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.