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Finding the Fourth Proportional to 6,984.66, 9,634.74 and 4,500.66

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Solution

The fourth proportional to 6,984.66, 9,634.74 and 4,500.66 is: 6,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.66 : 9,634.74 = 4,500.66 : x
  2. Step 2: Convert to fraction form
    6,984.66/9,634.74 = 4,500.66/x
  3. Step 3: Cross multiply
    6,984.66x = 9,634.74 × 4,500.66
  4. Step 4: Simplify right side
    6,984.66x = 43,362,688.93
  5. Step 5: Solve for x
    x = 43,362,688.93/6,984.66
  6. Step 6: Final answer
    x = 6,208.27

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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.