Home / 8,302.20-12,443.70-3,369.40

Finding the Fourth Proportional to 8,302.20, 12,443.70 and 3,369.40

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Solution

The fourth proportional to 8,302.20, 12,443.70 and 3,369.40 is: 5,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.20 : 12,443.70 = 3,369.40 : x
  2. Step 2: Convert to fraction form
    8,302.20/12,443.70 = 3,369.40/x
  3. Step 3: Cross multiply
    8,302.20x = 12,443.70 × 3,369.40
  4. Step 4: Simplify right side
    8,302.20x = 41,927,802.78
  5. Step 5: Solve for x
    x = 41,927,802.78/8,302.20
  6. Step 6: Final answer
    x = 5,050.20

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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.