Home / 4,477.79-6,711.62-2,281.88

Finding the Fourth Proportional to 4,477.79, 6,711.62 and 2,281.88

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Solution

The fourth proportional to 4,477.79, 6,711.62 and 2,281.88 is: 3,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.79 : 6,711.62 = 2,281.88 : x
  2. Step 2: Convert to fraction form
    4,477.79/6,711.62 = 2,281.88/x
  3. Step 3: Cross multiply
    4,477.79x = 6,711.62 × 2,281.88
  4. Step 4: Simplify right side
    4,477.79x = 15,315,066.48
  5. Step 5: Solve for x
    x = 15,315,066.48/4,477.79
  6. Step 6: Final answer
    x = 3,420.23

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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.