Home / 4,412.85-6,620.30-1,491.15

Finding the Fourth Proportional to 4,412.85, 6,620.30 and 1,491.15

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Solution

The fourth proportional to 4,412.85, 6,620.30 and 1,491.15 is: 2,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.85 : 6,620.30 = 1,491.15 : x
  2. Step 2: Convert to fraction form
    4,412.85/6,620.30 = 1,491.15/x
  3. Step 3: Cross multiply
    4,412.85x = 6,620.30 × 1,491.15
  4. Step 4: Simplify right side
    4,412.85x = 9,871,883.31
  5. Step 5: Solve for x
    x = 9,871,883.31/4,412.85
  6. Step 6: Final answer
    x = 2,237.08

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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.