Home / 8,732.72-13,099.08-2,887.76

Finding the Fourth Proportional to 8,732.72, 13,099.08 and 2,887.76

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Solution

The fourth proportional to 8,732.72, 13,099.08 and 2,887.76 is: 4,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.72 : 13,099.08 = 2,887.76 : x
  2. Step 2: Convert to fraction form
    8,732.72/13,099.08 = 2,887.76/x
  3. Step 3: Cross multiply
    8,732.72x = 13,099.08 × 2,887.76
  4. Step 4: Simplify right side
    8,732.72x = 37,826,999.26
  5. Step 5: Solve for x
    x = 37,826,999.26/8,732.72
  6. Step 6: Final answer
    x = 4,331.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.