Home / 8,391.50-12,586.43-2,548.16

Finding the Fourth Proportional to 8,391.50, 12,586.43 and 2,548.16

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Solution

The fourth proportional to 8,391.50, 12,586.43 and 2,548.16 is: 3,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.50 : 12,586.43 = 2,548.16 : x
  2. Step 2: Convert to fraction form
    8,391.50/12,586.43 = 2,548.16/x
  3. Step 3: Cross multiply
    8,391.50x = 12,586.43 × 2,548.16
  4. Step 4: Simplify right side
    8,391.50x = 32,072,161.80
  5. Step 5: Solve for x
    x = 32,072,161.80/8,391.50
  6. Step 6: Final answer
    x = 3,821.98

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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.