Home / 8,368.82-11,549.39-4,783.97

Finding the Fourth Proportional to 8,368.82, 11,549.39 and 4,783.97

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Solution

The fourth proportional to 8,368.82, 11,549.39 and 4,783.97 is: 6,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.82 : 11,549.39 = 4,783.97 : x
  2. Step 2: Convert to fraction form
    8,368.82/11,549.39 = 4,783.97/x
  3. Step 3: Cross multiply
    8,368.82x = 11,549.39 × 4,783.97
  4. Step 4: Simplify right side
    8,368.82x = 55,251,889.49
  5. Step 5: Solve for x
    x = 55,251,889.49/8,368.82
  6. Step 6: Final answer
    x = 6,602.11

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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.