Home / 8,722.50-12,037.30-4,743.64

Finding the Fourth Proportional to 8,722.50, 12,037.30 and 4,743.64

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Solution

The fourth proportional to 8,722.50, 12,037.30 and 4,743.64 is: 6,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.50 : 12,037.30 = 4,743.64 : x
  2. Step 2: Convert to fraction form
    8,722.50/12,037.30 = 4,743.64/x
  3. Step 3: Cross multiply
    8,722.50x = 12,037.30 × 4,743.64
  4. Step 4: Simplify right side
    8,722.50x = 57,100,617.77
  5. Step 5: Solve for x
    x = 57,100,617.77/8,722.50
  6. Step 6: Final answer
    x = 6,546.36

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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.