Home / 6,222.20-9,344.10-4,386.20

Finding the Fourth Proportional to 6,222.20, 9,344.10 and 4,386.20

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Solution

The fourth proportional to 6,222.20, 9,344.10 and 4,386.20 is: 6,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.20 : 9,344.10 = 4,386.20 : x
  2. Step 2: Convert to fraction form
    6,222.20/9,344.10 = 4,386.20/x
  3. Step 3: Cross multiply
    6,222.20x = 9,344.10 × 4,386.20
  4. Step 4: Simplify right side
    6,222.20x = 40,985,091.42
  5. Step 5: Solve for x
    x = 40,985,091.42/6,222.20
  6. Step 6: Final answer
    x = 6,586.91

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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.