Home / 8,385.96-12,582.73-3,459.00

Finding the Fourth Proportional to 8,385.96, 12,582.73 and 3,459.00

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Solution

The fourth proportional to 8,385.96, 12,582.73 and 3,459.00 is: 5,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.96 : 12,582.73 = 3,459.00 : x
  2. Step 2: Convert to fraction form
    8,385.96/12,582.73 = 3,459.00/x
  3. Step 3: Cross multiply
    8,385.96x = 12,582.73 × 3,459.00
  4. Step 4: Simplify right side
    8,385.96x = 43,523,695.12
  5. Step 5: Solve for x
    x = 43,523,695.12/8,385.96
  6. Step 6: Final answer
    x = 5,190.06

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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.