Home / 8,219.64-11,342.49-4,682.16

Finding the Fourth Proportional to 8,219.64, 11,342.49 and 4,682.16

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Solution

The fourth proportional to 8,219.64, 11,342.49 and 4,682.16 is: 6,461.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.64 : 11,342.49 = 4,682.16 : x
  2. Step 2: Convert to fraction form
    8,219.64/11,342.49 = 4,682.16/x
  3. Step 3: Cross multiply
    8,219.64x = 11,342.49 × 4,682.16
  4. Step 4: Simplify right side
    8,219.64x = 53,107,352.98
  5. Step 5: Solve for x
    x = 53,107,352.98/8,219.64
  6. Step 6: Final answer
    x = 6,461.03

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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.