Home / 6,491.13-9,735.66-2,107.59

Finding the Fourth Proportional to 6,491.13, 9,735.66 and 2,107.59

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Solution

The fourth proportional to 6,491.13, 9,735.66 and 2,107.59 is: 3,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.13 : 9,735.66 = 2,107.59 : x
  2. Step 2: Convert to fraction form
    6,491.13/9,735.66 = 2,107.59/x
  3. Step 3: Cross multiply
    6,491.13x = 9,735.66 × 2,107.59
  4. Step 4: Simplify right side
    6,491.13x = 20,518,779.66
  5. Step 5: Solve for x
    x = 20,518,779.66/6,491.13
  6. Step 6: Final answer
    x = 3,161.05

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1.5x scale

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.