Home / 4,412.63-6,620.08-1,639.39

Finding the Fourth Proportional to 4,412.63, 6,620.08 and 1,639.39

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Solution

The fourth proportional to 4,412.63, 6,620.08 and 1,639.39 is: 2,459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.63 : 6,620.08 = 1,639.39 : x
  2. Step 2: Convert to fraction form
    4,412.63/6,620.08 = 1,639.39/x
  3. Step 3: Cross multiply
    4,412.63x = 6,620.08 × 1,639.39
  4. Step 4: Simplify right side
    4,412.63x = 10,852,887.79
  5. Step 5: Solve for x
    x = 10,852,887.79/4,412.63
  6. Step 6: Final answer
    x = 2,459.51

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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.