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Finding the Fourth Proportional to 8,008.50, 12,017.08 and 3,904.50

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Solution

The fourth proportional to 8,008.50, 12,017.08 and 3,904.50 is: 5,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.50 : 12,017.08 = 3,904.50 : x
  2. Step 2: Convert to fraction form
    8,008.50/12,017.08 = 3,904.50/x
  3. Step 3: Cross multiply
    8,008.50x = 12,017.08 × 3,904.50
  4. Step 4: Simplify right side
    8,008.50x = 46,920,688.86
  5. Step 5: Solve for x
    x = 46,920,688.86/8,008.50
  6. Step 6: Final answer
    x = 5,858.86

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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.