Home / 8,430.92-12,644.57-2,506.38

Finding the Fourth Proportional to 8,430.92, 12,644.57 and 2,506.38

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Solution

The fourth proportional to 8,430.92, 12,644.57 and 2,506.38 is: 3,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.92 : 12,644.57 = 2,506.38 : x
  2. Step 2: Convert to fraction form
    8,430.92/12,644.57 = 2,506.38/x
  3. Step 3: Cross multiply
    8,430.92x = 12,644.57 × 2,506.38
  4. Step 4: Simplify right side
    8,430.92x = 31,692,056.21
  5. Step 5: Solve for x
    x = 31,692,056.21/8,430.92
  6. Step 6: Final answer
    x = 3,759.03

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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.