Home / 6,982.32-10,447.80-4,210.72

Finding the Fourth Proportional to 6,982.32, 10,447.80 and 4,210.72

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Solution

The fourth proportional to 6,982.32, 10,447.80 and 4,210.72 is: 6,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.32 : 10,447.80 = 4,210.72 : x
  2. Step 2: Convert to fraction form
    6,982.32/10,447.80 = 4,210.72/x
  3. Step 3: Cross multiply
    6,982.32x = 10,447.80 × 4,210.72
  4. Step 4: Simplify right side
    6,982.32x = 43,992,760.42
  5. Step 5: Solve for x
    x = 43,992,760.42/6,982.32
  6. Step 6: Final answer
    x = 6,300.59

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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.