Home / 8,490.69-11,716.63-4,713.64

Finding the Fourth Proportional to 8,490.69, 11,716.63 and 4,713.64

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Solution

The fourth proportional to 8,490.69, 11,716.63 and 4,713.64 is: 6,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,490.69 : 11,716.63 = 4,713.64 : x
  2. Step 2: Convert to fraction form
    8,490.69/11,716.63 = 4,713.64/x
  3. Step 3: Cross multiply
    8,490.69x = 11,716.63 × 4,713.64
  4. Step 4: Simplify right side
    8,490.69x = 55,227,893.68
  5. Step 5: Solve for x
    x = 55,227,893.68/8,490.69
  6. Step 6: Final answer
    x = 6,504.52

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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.