Home / 8,219.84-11,343.36-4,682.96

Finding the Fourth Proportional to 8,219.84, 11,343.36 and 4,682.96

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Solution

The fourth proportional to 8,219.84, 11,343.36 and 4,682.96 is: 6,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.84 : 11,343.36 = 4,682.96 : x
  2. Step 2: Convert to fraction form
    8,219.84/11,343.36 = 4,682.96/x
  3. Step 3: Cross multiply
    8,219.84x = 11,343.36 × 4,682.96
  4. Step 4: Simplify right side
    8,219.84x = 53,120,501.15
  5. Step 5: Solve for x
    x = 53,120,501.15/8,219.84
  6. Step 6: Final answer
    x = 6,462.47

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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.