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Finding the Fourth Proportional to 6,623.08, 9,119.82 and 6,477.28

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Solution

The fourth proportional to 6,623.08, 9,119.82 and 6,477.28 is: 8,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.08 : 9,119.82 = 6,477.28 : x
  2. Step 2: Convert to fraction form
    6,623.08/9,119.82 = 6,477.28/x
  3. Step 3: Cross multiply
    6,623.08x = 9,119.82 × 6,477.28
  4. Step 4: Simplify right side
    6,623.08x = 59,071,627.69
  5. Step 5: Solve for x
    x = 59,071,627.69/6,623.08
  6. Step 6: Final answer
    x = 8,919.06

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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.