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Finding the Fourth Proportional to 7,008.89, 9,669.04 and 4,489.79

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Solution

The fourth proportional to 7,008.89, 9,669.04 and 4,489.79 is: 6,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.89 : 9,669.04 = 4,489.79 : x
  2. Step 2: Convert to fraction form
    7,008.89/9,669.04 = 4,489.79/x
  3. Step 3: Cross multiply
    7,008.89x = 9,669.04 × 4,489.79
  4. Step 4: Simplify right side
    7,008.89x = 43,411,899.53
  5. Step 5: Solve for x
    x = 43,411,899.53/7,008.89
  6. Step 6: Final answer
    x = 6,193.84

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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.