Home / 7,383.51-10,189.40-4,239.63

Finding the Fourth Proportional to 7,383.51, 10,189.40 and 4,239.63

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Solution

The fourth proportional to 7,383.51, 10,189.40 and 4,239.63 is: 5,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.51 : 10,189.40 = 4,239.63 : x
  2. Step 2: Convert to fraction form
    7,383.51/10,189.40 = 4,239.63/x
  3. Step 3: Cross multiply
    7,383.51x = 10,189.40 × 4,239.63
  4. Step 4: Simplify right side
    7,383.51x = 43,199,264.72
  5. Step 5: Solve for x
    x = 43,199,264.72/7,383.51
  6. Step 6: Final answer
    x = 5,850.78

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Half scale
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Double scale
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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.