Home / 8,282.21-11,429.58-4,505.45

Finding the Fourth Proportional to 8,282.21, 11,429.58 and 4,505.45

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Solution

The fourth proportional to 8,282.21, 11,429.58 and 4,505.45 is: 6,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.21 : 11,429.58 = 4,505.45 : x
  2. Step 2: Convert to fraction form
    8,282.21/11,429.58 = 4,505.45/x
  3. Step 3: Cross multiply
    8,282.21x = 11,429.58 × 4,505.45
  4. Step 4: Simplify right side
    8,282.21x = 51,495,344.06
  5. Step 5: Solve for x
    x = 51,495,344.06/8,282.21
  6. Step 6: Final answer
    x = 6,217.59

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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.