Home / 7,383.36-10,164.96-6,402.24

Finding the Fourth Proportional to 7,383.36, 10,164.96 and 6,402.24

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Solution

The fourth proportional to 7,383.36, 10,164.96 and 6,402.24 is: 8,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.36 : 10,164.96 = 6,402.24 : x
  2. Step 2: Convert to fraction form
    7,383.36/10,164.96 = 6,402.24/x
  3. Step 3: Cross multiply
    7,383.36x = 10,164.96 × 6,402.24
  4. Step 4: Simplify right side
    7,383.36x = 65,078,513.51
  5. Step 5: Solve for x
    x = 65,078,513.51/7,383.36
  6. Step 6: Final answer
    x = 8,814.21

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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.