Home / 6,981.12-10,470.06-3,285.90

Finding the Fourth Proportional to 6,981.12, 10,470.06 and 3,285.90

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Solution

The fourth proportional to 6,981.12, 10,470.06 and 3,285.90 is: 4,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.12 : 10,470.06 = 3,285.90 : x
  2. Step 2: Convert to fraction form
    6,981.12/10,470.06 = 3,285.90/x
  3. Step 3: Cross multiply
    6,981.12x = 10,470.06 × 3,285.90
  4. Step 4: Simplify right side
    6,981.12x = 34,403,570.15
  5. Step 5: Solve for x
    x = 34,403,570.15/6,981.12
  6. Step 6: Final answer
    x = 4,928.09

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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.