Home / 6,980.18-9,632.54-3,996.76

Finding the Fourth Proportional to 6,980.18, 9,632.54 and 3,996.76

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Solution

The fourth proportional to 6,980.18, 9,632.54 and 3,996.76 is: 5,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.18 : 9,632.54 = 3,996.76 : x
  2. Step 2: Convert to fraction form
    6,980.18/9,632.54 = 3,996.76/x
  3. Step 3: Cross multiply
    6,980.18x = 9,632.54 × 3,996.76
  4. Step 4: Simplify right side
    6,980.18x = 38,498,950.57
  5. Step 5: Solve for x
    x = 38,498,950.57/6,980.18
  6. Step 6: Final answer
    x = 5,515.47

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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.