Home / 6,211.51-9,314.53-3,289.13

Finding the Fourth Proportional to 6,211.51, 9,314.53 and 3,289.13

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Solution

The fourth proportional to 6,211.51, 9,314.53 and 3,289.13 is: 4,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.51 : 9,314.53 = 3,289.13 : x
  2. Step 2: Convert to fraction form
    6,211.51/9,314.53 = 3,289.13/x
  3. Step 3: Cross multiply
    6,211.51x = 9,314.53 × 3,289.13
  4. Step 4: Simplify right side
    6,211.51x = 30,636,680.19
  5. Step 5: Solve for x
    x = 30,636,680.19/6,211.51
  6. Step 6: Final answer
    x = 4,932.25

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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.