Home / 9,857.20-14,790.66-4,309.72

Finding the Fourth Proportional to 9,857.20, 14,790.66 and 4,309.72

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Solution

The fourth proportional to 9,857.20, 14,790.66 and 4,309.72 is: 6,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.20 : 14,790.66 = 4,309.72 : x
  2. Step 2: Convert to fraction form
    9,857.20/14,790.66 = 4,309.72/x
  3. Step 3: Cross multiply
    9,857.20x = 14,790.66 × 4,309.72
  4. Step 4: Simplify right side
    9,857.20x = 63,743,603.22
  5. Step 5: Solve for x
    x = 63,743,603.22/9,857.20
  6. Step 6: Final answer
    x = 6,466.70

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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.