Home / 8,749.08-13,129.06-3,554.95

Finding the Fourth Proportional to 8,749.08, 13,129.06 and 3,554.95

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Solution

The fourth proportional to 8,749.08, 13,129.06 and 3,554.95 is: 5,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.08 : 13,129.06 = 3,554.95 : x
  2. Step 2: Convert to fraction form
    8,749.08/13,129.06 = 3,554.95/x
  3. Step 3: Cross multiply
    8,749.08x = 13,129.06 × 3,554.95
  4. Step 4: Simplify right side
    8,749.08x = 46,673,178.34
  5. Step 5: Solve for x
    x = 46,673,178.34/8,749.08
  6. Step 6: Final answer
    x = 5,334.64

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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.