Home / 8,218.85-11,343.01-4,634.50

Finding the Fourth Proportional to 8,218.85, 11,343.01 and 4,634.50

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Solution

The fourth proportional to 8,218.85, 11,343.01 and 4,634.50 is: 6,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.85 : 11,343.01 = 4,634.50 : x
  2. Step 2: Convert to fraction form
    8,218.85/11,343.01 = 4,634.50/x
  3. Step 3: Cross multiply
    8,218.85x = 11,343.01 × 4,634.50
  4. Step 4: Simplify right side
    8,218.85x = 52,569,139.90
  5. Step 5: Solve for x
    x = 52,569,139.90/8,218.85
  6. Step 6: Final answer
    x = 6,396.17

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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.