Home / 6,009.90-8,992.67-3,639.35

Finding the Fourth Proportional to 6,009.90, 8,992.67 and 3,639.35

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Solution

The fourth proportional to 6,009.90, 8,992.67 and 3,639.35 is: 5,445.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,009.90 : 8,992.67 = 3,639.35 : x
  2. Step 2: Convert to fraction form
    6,009.90/8,992.67 = 3,639.35/x
  3. Step 3: Cross multiply
    6,009.90x = 8,992.67 × 3,639.35
  4. Step 4: Simplify right side
    6,009.90x = 32,727,410.40
  5. Step 5: Solve for x
    x = 32,727,410.40/6,009.90
  6. Step 6: Final answer
    x = 5,445.58

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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.