Home / 6,439.30-9,662.16-3,152.32

Finding the Fourth Proportional to 6,439.30, 9,662.16 and 3,152.32

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Solution

The fourth proportional to 6,439.30, 9,662.16 and 3,152.32 is: 4,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.30 : 9,662.16 = 3,152.32 : x
  2. Step 2: Convert to fraction form
    6,439.30/9,662.16 = 3,152.32/x
  3. Step 3: Cross multiply
    6,439.30x = 9,662.16 × 3,152.32
  4. Step 4: Simplify right side
    6,439.30x = 30,458,220.21
  5. Step 5: Solve for x
    x = 30,458,220.21/6,439.30
  6. Step 6: Final answer
    x = 4,730.05

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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.