Home / 9,790.89-13,511.66-5,812.02

Finding the Fourth Proportional to 9,790.89, 13,511.66 and 5,812.02

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Solution

The fourth proportional to 9,790.89, 13,511.66 and 5,812.02 is: 8,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.89 : 13,511.66 = 5,812.02 : x
  2. Step 2: Convert to fraction form
    9,790.89/13,511.66 = 5,812.02/x
  3. Step 3: Cross multiply
    9,790.89x = 13,511.66 × 5,812.02
  4. Step 4: Simplify right side
    9,790.89x = 78,530,041.79
  5. Step 5: Solve for x
    x = 78,530,041.79/9,790.89
  6. Step 6: Final answer
    x = 8,020.72

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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.