Home / 7,383.03-10,187.67-4,195.20

Finding the Fourth Proportional to 7,383.03, 10,187.67 and 4,195.20

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Solution

The fourth proportional to 7,383.03, 10,187.67 and 4,195.20 is: 5,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.03 : 10,187.67 = 4,195.20 : x
  2. Step 2: Convert to fraction form
    7,383.03/10,187.67 = 4,195.20/x
  3. Step 3: Cross multiply
    7,383.03x = 10,187.67 × 4,195.20
  4. Step 4: Simplify right side
    7,383.03x = 42,739,313.18
  5. Step 5: Solve for x
    x = 42,739,313.18/7,383.03
  6. Step 6: Final answer
    x = 5,788.86

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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.