Home / 6,730.32-9,289.12-4,213.60

Finding the Fourth Proportional to 6,730.32, 9,289.12 and 4,213.60

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Solution

The fourth proportional to 6,730.32, 9,289.12 and 4,213.60 is: 5,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,730.32 : 9,289.12 = 4,213.60 : x
  2. Step 2: Convert to fraction form
    6,730.32/9,289.12 = 4,213.60/x
  3. Step 3: Cross multiply
    6,730.32x = 9,289.12 × 4,213.60
  4. Step 4: Simplify right side
    6,730.32x = 39,140,636.03
  5. Step 5: Solve for x
    x = 39,140,636.03/6,730.32
  6. Step 6: Final answer
    x = 5,815.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.