Home / 6,811.49-10,218.45-2,653.76

Finding the Fourth Proportional to 6,811.49, 10,218.45 and 2,653.76

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Solution

The fourth proportional to 6,811.49, 10,218.45 and 2,653.76 is: 3,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.49 : 10,218.45 = 2,653.76 : x
  2. Step 2: Convert to fraction form
    6,811.49/10,218.45 = 2,653.76/x
  3. Step 3: Cross multiply
    6,811.49x = 10,218.45 × 2,653.76
  4. Step 4: Simplify right side
    6,811.49x = 27,117,313.87
  5. Step 5: Solve for x
    x = 27,117,313.87/6,811.49
  6. Step 6: Final answer
    x = 3,981.11

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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.