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Finding the Fourth Proportional to 9,008.98, 13,509.99 and 3,460.82

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Solution

The fourth proportional to 9,008.98, 13,509.99 and 3,460.82 is: 5,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.98 : 13,509.99 = 3,460.82 : x
  2. Step 2: Convert to fraction form
    9,008.98/13,509.99 = 3,460.82/x
  3. Step 3: Cross multiply
    9,008.98x = 13,509.99 × 3,460.82
  4. Step 4: Simplify right side
    9,008.98x = 46,755,576.04
  5. Step 5: Solve for x
    x = 46,755,576.04/9,008.98
  6. Step 6: Final answer
    x = 5,189.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.