Home / 8,669.59-13,006.15-2,748.01

Finding the Fourth Proportional to 8,669.59, 13,006.15 and 2,748.01

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Solution

The fourth proportional to 8,669.59, 13,006.15 and 2,748.01 is: 4,122.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.59 : 13,006.15 = 2,748.01 : x
  2. Step 2: Convert to fraction form
    8,669.59/13,006.15 = 2,748.01/x
  3. Step 3: Cross multiply
    8,669.59x = 13,006.15 × 2,748.01
  4. Step 4: Simplify right side
    8,669.59x = 35,741,030.26
  5. Step 5: Solve for x
    x = 35,741,030.26/8,669.59
  6. Step 6: Final answer
    x = 4,122.57

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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.