Home / 8,433.81-11,639.57-4,898.97

Finding the Fourth Proportional to 8,433.81, 11,639.57 and 4,898.97

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Solution

The fourth proportional to 8,433.81, 11,639.57 and 4,898.97 is: 6,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.81 : 11,639.57 = 4,898.97 : x
  2. Step 2: Convert to fraction form
    8,433.81/11,639.57 = 4,898.97/x
  3. Step 3: Cross multiply
    8,433.81x = 11,639.57 × 4,898.97
  4. Step 4: Simplify right side
    8,433.81x = 57,021,879.75
  5. Step 5: Solve for x
    x = 57,021,879.75/8,433.81
  6. Step 6: Final answer
    x = 6,761.11

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1.5x scale

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.