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Finding the Fourth Proportional to 9,008.30, 13,506.05 and 4,080.30

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Solution

The fourth proportional to 9,008.30, 13,506.05 and 4,080.30 is: 6,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.30 : 13,506.05 = 4,080.30 : x
  2. Step 2: Convert to fraction form
    9,008.30/13,506.05 = 4,080.30/x
  3. Step 3: Cross multiply
    9,008.30x = 13,506.05 × 4,080.30
  4. Step 4: Simplify right side
    9,008.30x = 55,108,735.82
  5. Step 5: Solve for x
    x = 55,108,735.82/9,008.30
  6. Step 6: Final answer
    x = 6,117.55

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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.