Home / 8,226.21-11,351.30-4,869.17

Finding the Fourth Proportional to 8,226.21, 11,351.30 and 4,869.17

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Solution

The fourth proportional to 8,226.21, 11,351.30 and 4,869.17 is: 6,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.21 : 11,351.30 = 4,869.17 : x
  2. Step 2: Convert to fraction form
    8,226.21/11,351.30 = 4,869.17/x
  3. Step 3: Cross multiply
    8,226.21x = 11,351.30 × 4,869.17
  4. Step 4: Simplify right side
    8,226.21x = 55,271,328.32
  5. Step 5: Solve for x
    x = 55,271,328.32/8,226.21
  6. Step 6: Final answer
    x = 6,718.93

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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.