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Finding the Fourth Proportional to 8,506.54, 12,762.11 and 2,960.20

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Solution

The fourth proportional to 8,506.54, 12,762.11 and 2,960.20 is: 4,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.54 : 12,762.11 = 2,960.20 : x
  2. Step 2: Convert to fraction form
    8,506.54/12,762.11 = 2,960.20/x
  3. Step 3: Cross multiply
    8,506.54x = 12,762.11 × 2,960.20
  4. Step 4: Simplify right side
    8,506.54x = 37,778,398.02
  5. Step 5: Solve for x
    x = 37,778,398.02/8,506.54
  6. Step 6: Final answer
    x = 4,441.10

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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.