Home / 8,910.60-13,368.21-2,670.36

Finding the Fourth Proportional to 8,910.60, 13,368.21 and 2,670.36

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Solution

The fourth proportional to 8,910.60, 13,368.21 and 2,670.36 is: 4,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.60 : 13,368.21 = 2,670.36 : x
  2. Step 2: Convert to fraction form
    8,910.60/13,368.21 = 2,670.36/x
  3. Step 3: Cross multiply
    8,910.60x = 13,368.21 × 2,670.36
  4. Step 4: Simplify right side
    8,910.60x = 35,697,933.26
  5. Step 5: Solve for x
    x = 35,697,933.26/8,910.60
  6. Step 6: Final answer
    x = 4,006.23

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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.