Home / 8,625.02-12,928.28-4,919.27

Finding the Fourth Proportional to 8,625.02, 12,928.28 and 4,919.27

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Solution

The fourth proportional to 8,625.02, 12,928.28 and 4,919.27 is: 7,373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625.02 : 12,928.28 = 4,919.27 : x
  2. Step 2: Convert to fraction form
    8,625.02/12,928.28 = 4,919.27/x
  3. Step 3: Cross multiply
    8,625.02x = 12,928.28 × 4,919.27
  4. Step 4: Simplify right side
    8,625.02x = 63,597,610.72
  5. Step 5: Solve for x
    x = 63,597,610.72/8,625.02
  6. Step 6: Final answer
    x = 7,373.62

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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.