Home / 7,383.40-11,085.90-5,201.80

Finding the Fourth Proportional to 7,383.40, 11,085.90 and 5,201.80

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Solution

The fourth proportional to 7,383.40, 11,085.90 and 5,201.80 is: 7,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.40 : 11,085.90 = 5,201.80 : x
  2. Step 2: Convert to fraction form
    7,383.40/11,085.90 = 5,201.80/x
  3. Step 3: Cross multiply
    7,383.40x = 11,085.90 × 5,201.80
  4. Step 4: Simplify right side
    7,383.40x = 57,666,634.62
  5. Step 5: Solve for x
    x = 57,666,634.62/7,383.40
  6. Step 6: Final answer
    x = 7,810.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.