Home / 9,065.42-13,589.93-3,220.66

Finding the Fourth Proportional to 9,065.42, 13,589.93 and 3,220.66

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Solution

The fourth proportional to 9,065.42, 13,589.93 and 3,220.66 is: 4,828.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,065.42 : 13,589.93 = 3,220.66 : x
  2. Step 2: Convert to fraction form
    9,065.42/13,589.93 = 3,220.66/x
  3. Step 3: Cross multiply
    9,065.42x = 13,589.93 × 3,220.66
  4. Step 4: Simplify right side
    9,065.42x = 43,768,550.88
  5. Step 5: Solve for x
    x = 43,768,550.88/9,065.42
  6. Step 6: Final answer
    x = 4,828.08

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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.