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Finding the Fourth Proportional to 6,798.72, 9,383.40 and 4,004.76

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Solution

The fourth proportional to 6,798.72, 9,383.40 and 4,004.76 is: 5,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.72 : 9,383.40 = 4,004.76 : x
  2. Step 2: Convert to fraction form
    6,798.72/9,383.40 = 4,004.76/x
  3. Step 3: Cross multiply
    6,798.72x = 9,383.40 × 4,004.76
  4. Step 4: Simplify right side
    6,798.72x = 37,578,264.98
  5. Step 5: Solve for x
    x = 37,578,264.98/6,798.72
  6. Step 6: Final answer
    x = 5,527.26

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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.