Home / 6,619.20-9,929.28-2,401.94

Finding the Fourth Proportional to 6,619.20, 9,929.28 and 2,401.94

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Solution

The fourth proportional to 6,619.20, 9,929.28 and 2,401.94 is: 3,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.20 : 9,929.28 = 2,401.94 : x
  2. Step 2: Convert to fraction form
    6,619.20/9,929.28 = 2,401.94/x
  3. Step 3: Cross multiply
    6,619.20x = 9,929.28 × 2,401.94
  4. Step 4: Simplify right side
    6,619.20x = 23,849,534.80
  5. Step 5: Solve for x
    x = 23,849,534.80/6,619.20
  6. Step 6: Final answer
    x = 3,603.08

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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.