Home / 6,921.86-10,383.39-2,973.30

Finding the Fourth Proportional to 6,921.86, 10,383.39 and 2,973.30

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Solution

The fourth proportional to 6,921.86, 10,383.39 and 2,973.30 is: 4,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.86 : 10,383.39 = 2,973.30 : x
  2. Step 2: Convert to fraction form
    6,921.86/10,383.39 = 2,973.30/x
  3. Step 3: Cross multiply
    6,921.86x = 10,383.39 × 2,973.30
  4. Step 4: Simplify right side
    6,921.86x = 30,872,933.49
  5. Step 5: Solve for x
    x = 30,872,933.49/6,921.86
  6. Step 6: Final answer
    x = 4,460.21

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Double scale
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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.