Home / 6,451.20-9,675.45-3,166.65

Finding the Fourth Proportional to 6,451.20, 9,675.45 and 3,166.65

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Solution

The fourth proportional to 6,451.20, 9,675.45 and 3,166.65 is: 4,749.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.20 : 9,675.45 = 3,166.65 : x
  2. Step 2: Convert to fraction form
    6,451.20/9,675.45 = 3,166.65/x
  3. Step 3: Cross multiply
    6,451.20x = 9,675.45 × 3,166.65
  4. Step 4: Simplify right side
    6,451.20x = 30,638,763.74
  5. Step 5: Solve for x
    x = 30,638,763.74/6,451.20
  6. Step 6: Final answer
    x = 4,749.31

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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.