Home / 6,981.86-10,455.46-4,892.06

Finding the Fourth Proportional to 6,981.86, 10,455.46 and 4,892.06

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Solution

The fourth proportional to 6,981.86, 10,455.46 and 4,892.06 is: 7,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.86 : 10,455.46 = 4,892.06 : x
  2. Step 2: Convert to fraction form
    6,981.86/10,455.46 = 4,892.06/x
  3. Step 3: Cross multiply
    6,981.86x = 10,455.46 × 4,892.06
  4. Step 4: Simplify right side
    6,981.86x = 51,148,751.56
  5. Step 5: Solve for x
    x = 51,148,751.56/6,981.86
  6. Step 6: Final answer
    x = 7,325.95

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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.