Home / 8,911.87-12,298.58-4,933.26

Finding the Fourth Proportional to 8,911.87, 12,298.58 and 4,933.26

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Solution

The fourth proportional to 8,911.87, 12,298.58 and 4,933.26 is: 6,808.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.87 : 12,298.58 = 4,933.26 : x
  2. Step 2: Convert to fraction form
    8,911.87/12,298.58 = 4,933.26/x
  3. Step 3: Cross multiply
    8,911.87x = 12,298.58 × 4,933.26
  4. Step 4: Simplify right side
    8,911.87x = 60,672,092.77
  5. Step 5: Solve for x
    x = 60,672,092.77/8,911.87
  6. Step 6: Final answer
    x = 6,808.01

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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.