Home / 4,642.79-6,966.48-2,177.80

Finding the Fourth Proportional to 4,642.79, 6,966.48 and 2,177.80

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Solution

The fourth proportional to 4,642.79, 6,966.48 and 2,177.80 is: 3,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.79 : 6,966.48 = 2,177.80 : x
  2. Step 2: Convert to fraction form
    4,642.79/6,966.48 = 2,177.80/x
  3. Step 3: Cross multiply
    4,642.79x = 6,966.48 × 2,177.80
  4. Step 4: Simplify right side
    4,642.79x = 15,171,582.73
  5. Step 5: Solve for x
    x = 15,171,582.73/4,642.79
  6. Step 6: Final answer
    x = 3,267.77

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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.