Home / 4,617.84-6,921.28-2,666

Finding the Fourth Proportional to 4,617.84, 6,921.28 and 2,666

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Solution

The fourth proportional to 4,617.84, 6,921.28 and 2,666 is: 3,995.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.84 : 6,921.28 = 2,666 : x
  2. Step 2: Convert to fraction form
    4,617.84/6,921.28 = 2,666/x
  3. Step 3: Cross multiply
    4,617.84x = 6,921.28 × 2,666
  4. Step 4: Simplify right side
    4,617.84x = 18,452,132.48
  5. Step 5: Solve for x
    x = 18,452,132.48/4,617.84
  6. Step 6: Final answer
    x = 3,995.84

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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.