Home / 7,228.77-10,811.88-4,260.18

Finding the Fourth Proportional to 7,228.77, 10,811.88 and 4,260.18

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Solution

The fourth proportional to 7,228.77, 10,811.88 and 4,260.18 is: 6,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.77 : 10,811.88 = 4,260.18 : x
  2. Step 2: Convert to fraction form
    7,228.77/10,811.88 = 4,260.18/x
  3. Step 3: Cross multiply
    7,228.77x = 10,811.88 × 4,260.18
  4. Step 4: Simplify right side
    7,228.77x = 46,060,554.94
  5. Step 5: Solve for x
    x = 46,060,554.94/7,228.77
  6. Step 6: Final answer
    x = 6,371.84

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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.