Home / 4,638.99-6,959.52-2,172.48

Finding the Fourth Proportional to 4,638.99, 6,959.52 and 2,172.48

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Solution

The fourth proportional to 4,638.99, 6,959.52 and 2,172.48 is: 3,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.99 : 6,959.52 = 2,172.48 : x
  2. Step 2: Convert to fraction form
    4,638.99/6,959.52 = 2,172.48/x
  3. Step 3: Cross multiply
    4,638.99x = 6,959.52 × 2,172.48
  4. Step 4: Simplify right side
    4,638.99x = 15,119,418.01
  5. Step 5: Solve for x
    x = 15,119,418.01/4,638.99
  6. Step 6: Final answer
    x = 3,259.20

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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.