Home / 4,431.60-6,649.56-2,239.56

Finding the Fourth Proportional to 4,431.60, 6,649.56 and 2,239.56

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Solution

The fourth proportional to 4,431.60, 6,649.56 and 2,239.56 is: 3,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.60 : 6,649.56 = 2,239.56 : x
  2. Step 2: Convert to fraction form
    4,431.60/6,649.56 = 2,239.56/x
  3. Step 3: Cross multiply
    4,431.60x = 6,649.56 × 2,239.56
  4. Step 4: Simplify right side
    4,431.60x = 14,892,088.59
  5. Step 5: Solve for x
    x = 14,892,088.59/4,431.60
  6. Step 6: Final answer
    x = 3,360.43

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1.5x scale

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.