Home / 4,480.81-6,722.58-2,291.07

Finding the Fourth Proportional to 4,480.81, 6,722.58 and 2,291.07

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Solution

The fourth proportional to 4,480.81, 6,722.58 and 2,291.07 is: 3,437.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.81 : 6,722.58 = 2,291.07 : x
  2. Step 2: Convert to fraction form
    4,480.81/6,722.58 = 2,291.07/x
  3. Step 3: Cross multiply
    4,480.81x = 6,722.58 × 2,291.07
  4. Step 4: Simplify right side
    4,480.81x = 15,401,923.71
  5. Step 5: Solve for x
    x = 15,401,923.71/4,480.81
  6. Step 6: Final answer
    x = 3,437.31

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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.