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Finding the Fourth Proportional to 10,798.72, 14,902 and 6,082.92

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Solution

The fourth proportional to 10,798.72, 14,902 and 6,082.92 is: 8,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,798.72 : 14,902 = 6,082.92 : x
  2. Step 2: Convert to fraction form
    10,798.72/14,902 = 6,082.92/x
  3. Step 3: Cross multiply
    10,798.72x = 14,902 × 6,082.92
  4. Step 4: Simplify right side
    10,798.72x = 90,647,673.84
  5. Step 5: Solve for x
    x = 90,647,673.84/10,798.72
  6. Step 6: Final answer
    x = 8,394.30

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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.