Home / 8,272.28-12,405.98-4,573.82

Finding the Fourth Proportional to 8,272.28, 12,405.98 and 4,573.82

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Solution

The fourth proportional to 8,272.28, 12,405.98 and 4,573.82 is: 6,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.28 : 12,405.98 = 4,573.82 : x
  2. Step 2: Convert to fraction form
    8,272.28/12,405.98 = 4,573.82/x
  3. Step 3: Cross multiply
    8,272.28x = 12,405.98 × 4,573.82
  4. Step 4: Simplify right side
    8,272.28x = 56,742,719.44
  5. Step 5: Solve for x
    x = 56,742,719.44/8,272.28
  6. Step 6: Final answer
    x = 6,859.38

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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.