Home / 8,099.08-11,176.45-4,912.74

Finding the Fourth Proportional to 8,099.08, 11,176.45 and 4,912.74

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Solution

The fourth proportional to 8,099.08, 11,176.45 and 4,912.74 is: 6,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.08 : 11,176.45 = 4,912.74 : x
  2. Step 2: Convert to fraction form
    8,099.08/11,176.45 = 4,912.74/x
  3. Step 3: Cross multiply
    8,099.08x = 11,176.45 × 4,912.74
  4. Step 4: Simplify right side
    8,099.08x = 54,906,980.69
  5. Step 5: Solve for x
    x = 54,906,980.69/8,099.08
  6. Step 6: Final answer
    x = 6,779.41

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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.