Home / 4,436.16-6,643.30-2,788.62

Finding the Fourth Proportional to 4,436.16, 6,643.30 and 2,788.62

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Solution

The fourth proportional to 4,436.16, 6,643.30 and 2,788.62 is: 4,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,436.16 : 6,643.30 = 2,788.62 : x
  2. Step 2: Convert to fraction form
    4,436.16/6,643.30 = 2,788.62/x
  3. Step 3: Cross multiply
    4,436.16x = 6,643.30 × 2,788.62
  4. Step 4: Simplify right side
    4,436.16x = 18,525,639.25
  5. Step 5: Solve for x
    x = 18,525,639.25/4,436.16
  6. Step 6: Final answer
    x = 4,176.05

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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.