Home / 8,406.42-11,600.37-4,820.61

Finding the Fourth Proportional to 8,406.42, 11,600.37 and 4,820.61

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Solution

The fourth proportional to 8,406.42, 11,600.37 and 4,820.61 is: 6,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.42 : 11,600.37 = 4,820.61 : x
  2. Step 2: Convert to fraction form
    8,406.42/11,600.37 = 4,820.61/x
  3. Step 3: Cross multiply
    8,406.42x = 11,600.37 × 4,820.61
  4. Step 4: Simplify right side
    8,406.42x = 55,920,859.63
  5. Step 5: Solve for x
    x = 55,920,859.63/8,406.42
  6. Step 6: Final answer
    x = 6,652.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.