Home / 7,189.02-9,921.69-4,394.52

Finding the Fourth Proportional to 7,189.02, 9,921.69 and 4,394.52

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Solution

The fourth proportional to 7,189.02, 9,921.69 and 4,394.52 is: 6,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.02 : 9,921.69 = 4,394.52 : x
  2. Step 2: Convert to fraction form
    7,189.02/9,921.69 = 4,394.52/x
  3. Step 3: Cross multiply
    7,189.02x = 9,921.69 × 4,394.52
  4. Step 4: Simplify right side
    7,189.02x = 43,601,065.14
  5. Step 5: Solve for x
    x = 43,601,065.14/7,189.02
  6. Step 6: Final answer
    x = 6,064.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.