Home / 8,433.90-11,633.85-5,284.62

Finding the Fourth Proportional to 8,433.90, 11,633.85 and 5,284.62

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Solution

The fourth proportional to 8,433.90, 11,633.85 and 5,284.62 is: 7,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.90 : 11,633.85 = 5,284.62 : x
  2. Step 2: Convert to fraction form
    8,433.90/11,633.85 = 5,284.62/x
  3. Step 3: Cross multiply
    8,433.90x = 11,633.85 × 5,284.62
  4. Step 4: Simplify right side
    8,433.90x = 61,480,476.39
  5. Step 5: Solve for x
    x = 61,480,476.39/8,433.90
  6. Step 6: Final answer
    x = 7,289.69

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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.