Home / 8,459.06-12,685.32-2,911.37

Finding the Fourth Proportional to 8,459.06, 12,685.32 and 2,911.37

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Solution

The fourth proportional to 8,459.06, 12,685.32 and 2,911.37 is: 4,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.06 : 12,685.32 = 2,911.37 : x
  2. Step 2: Convert to fraction form
    8,459.06/12,685.32 = 2,911.37/x
  3. Step 3: Cross multiply
    8,459.06x = 12,685.32 × 2,911.37
  4. Step 4: Simplify right side
    8,459.06x = 36,931,596.66
  5. Step 5: Solve for x
    x = 36,931,596.66/8,459.06
  6. Step 6: Final answer
    x = 4,365.92

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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.