Home / 9,400.19-12,975.46-6,222.15

Finding the Fourth Proportional to 9,400.19, 12,975.46 and 6,222.15

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Solution

The fourth proportional to 9,400.19, 12,975.46 and 6,222.15 is: 8,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.19 : 12,975.46 = 6,222.15 : x
  2. Step 2: Convert to fraction form
    9,400.19/12,975.46 = 6,222.15/x
  3. Step 3: Cross multiply
    9,400.19x = 12,975.46 × 6,222.15
  4. Step 4: Simplify right side
    9,400.19x = 80,735,242.88
  5. Step 5: Solve for x
    x = 80,735,242.88/9,400.19
  6. Step 6: Final answer
    x = 8,588.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.