Home / 9,821.66-14,743.38-4,889.99

Finding the Fourth Proportional to 9,821.66, 14,743.38 and 4,889.99

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Solution

The fourth proportional to 9,821.66, 14,743.38 and 4,889.99 is: 7,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.66 : 14,743.38 = 4,889.99 : x
  2. Step 2: Convert to fraction form
    9,821.66/14,743.38 = 4,889.99/x
  3. Step 3: Cross multiply
    9,821.66x = 14,743.38 × 4,889.99
  4. Step 4: Simplify right side
    9,821.66x = 72,094,980.77
  5. Step 5: Solve for x
    x = 72,094,980.77/9,821.66
  6. Step 6: Final answer
    x = 7,340.41

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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.