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Finding the Fourth Proportional to 8,703.36, 13,057.20 and 2,547.36

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Solution

The fourth proportional to 8,703.36, 13,057.20 and 2,547.36 is: 3,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.36 : 13,057.20 = 2,547.36 : x
  2. Step 2: Convert to fraction form
    8,703.36/13,057.20 = 2,547.36/x
  3. Step 3: Cross multiply
    8,703.36x = 13,057.20 × 2,547.36
  4. Step 4: Simplify right side
    8,703.36x = 33,261,388.99
  5. Step 5: Solve for x
    x = 33,261,388.99/8,703.36
  6. Step 6: Final answer
    x = 3,821.67

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