Home / 4,410.47-6,618.30-1,639.08

Finding the Fourth Proportional to 4,410.47, 6,618.30 and 1,639.08

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Solution

The fourth proportional to 4,410.47, 6,618.30 and 1,639.08 is: 2,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,410.47 : 6,618.30 = 1,639.08 : x
  2. Step 2: Convert to fraction form
    4,410.47/6,618.30 = 1,639.08/x
  3. Step 3: Cross multiply
    4,410.47x = 6,618.30 × 1,639.08
  4. Step 4: Simplify right side
    4,410.47x = 10,847,923.16
  5. Step 5: Solve for x
    x = 10,847,923.16/4,410.47
  6. Step 6: Final answer
    x = 2,459.59

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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.