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Finding the Fourth Proportional to 6,987.51, 10,480.05 and 2,604.06

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Solution

The fourth proportional to 6,987.51, 10,480.05 and 2,604.06 is: 3,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.51 : 10,480.05 = 2,604.06 : x
  2. Step 2: Convert to fraction form
    6,987.51/10,480.05 = 2,604.06/x
  3. Step 3: Cross multiply
    6,987.51x = 10,480.05 × 2,604.06
  4. Step 4: Simplify right side
    6,987.51x = 27,290,679.00
  5. Step 5: Solve for x
    x = 27,290,679.00/6,987.51
  6. Step 6: Final answer
    x = 3,905.64

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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.