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Finding the Fourth Proportional to 8,360.03, 12,539.97 and 3,678.90

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Solution

The fourth proportional to 8,360.03, 12,539.97 and 3,678.90 is: 5,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.03 : 12,539.97 = 3,678.90 : x
  2. Step 2: Convert to fraction form
    8,360.03/12,539.97 = 3,678.90/x
  3. Step 3: Cross multiply
    8,360.03x = 12,539.97 × 3,678.90
  4. Step 4: Simplify right side
    8,360.03x = 46,133,295.63
  5. Step 5: Solve for x
    x = 46,133,295.63/8,360.03
  6. Step 6: Final answer
    x = 5,518.32

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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.