Home / 8,429.24-12,645.36-2,883.20

Finding the Fourth Proportional to 8,429.24, 12,645.36 and 2,883.20

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Solution

The fourth proportional to 8,429.24, 12,645.36 and 2,883.20 is: 4,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.24 : 12,645.36 = 2,883.20 : x
  2. Step 2: Convert to fraction form
    8,429.24/12,645.36 = 2,883.20/x
  3. Step 3: Cross multiply
    8,429.24x = 12,645.36 × 2,883.20
  4. Step 4: Simplify right side
    8,429.24x = 36,459,101.95
  5. Step 5: Solve for x
    x = 36,459,101.95/8,429.24
  6. Step 6: Final answer
    x = 4,325.31

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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.