Home / 9,163.40-13,746.90-3,319.88

Finding the Fourth Proportional to 9,163.40, 13,746.90 and 3,319.88

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Solution

The fourth proportional to 9,163.40, 13,746.90 and 3,319.88 is: 4,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.40 : 13,746.90 = 3,319.88 : x
  2. Step 2: Convert to fraction form
    9,163.40/13,746.90 = 3,319.88/x
  3. Step 3: Cross multiply
    9,163.40x = 13,746.90 × 3,319.88
  4. Step 4: Simplify right side
    9,163.40x = 45,638,058.37
  5. Step 5: Solve for x
    x = 45,638,058.37/9,163.40
  6. Step 6: Final answer
    x = 4,980.47

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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.