Home / 4,417.29-6,621.75-1,643.22

Finding the Fourth Proportional to 4,417.29, 6,621.75 and 1,643.22

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Solution

The fourth proportional to 4,417.29, 6,621.75 and 1,643.22 is: 2,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,417.29 : 6,621.75 = 1,643.22 : x
  2. Step 2: Convert to fraction form
    4,417.29/6,621.75 = 1,643.22/x
  3. Step 3: Cross multiply
    4,417.29x = 6,621.75 × 1,643.22
  4. Step 4: Simplify right side
    4,417.29x = 10,880,992.04
  5. Step 5: Solve for x
    x = 10,880,992.04/4,417.29
  6. Step 6: Final answer
    x = 2,463.27

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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.