Home / 8,281.08-12,419.16-4,383.36

Finding the Fourth Proportional to 8,281.08, 12,419.16 and 4,383.36

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Solution

The fourth proportional to 8,281.08, 12,419.16 and 4,383.36 is: 6,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.08 : 12,419.16 = 4,383.36 : x
  2. Step 2: Convert to fraction form
    8,281.08/12,419.16 = 4,383.36/x
  3. Step 3: Cross multiply
    8,281.08x = 12,419.16 × 4,383.36
  4. Step 4: Simplify right side
    8,281.08x = 54,437,649.18
  5. Step 5: Solve for x
    x = 54,437,649.18/8,281.08
  6. Step 6: Final answer
    x = 6,573.74

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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.