Home / 6,980.32-9,633.65-3,996.58

Finding the Fourth Proportional to 6,980.32, 9,633.65 and 3,996.58

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Solution

The fourth proportional to 6,980.32, 9,633.65 and 3,996.58 is: 5,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.32 : 9,633.65 = 3,996.58 : x
  2. Step 2: Convert to fraction form
    6,980.32/9,633.65 = 3,996.58/x
  3. Step 3: Cross multiply
    6,980.32x = 9,633.65 × 3,996.58
  4. Step 4: Simplify right side
    6,980.32x = 38,501,632.93
  5. Step 5: Solve for x
    x = 38,501,632.93/6,980.32
  6. Step 6: Final answer
    x = 5,515.74

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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.