Home / 7,199.56-9,935.82-4,405.60

Finding the Fourth Proportional to 7,199.56, 9,935.82 and 4,405.60

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Solution

The fourth proportional to 7,199.56, 9,935.82 and 4,405.60 is: 6,079.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.56 : 9,935.82 = 4,405.60 : x
  2. Step 2: Convert to fraction form
    7,199.56/9,935.82 = 4,405.60/x
  3. Step 3: Cross multiply
    7,199.56x = 9,935.82 × 4,405.60
  4. Step 4: Simplify right side
    7,199.56x = 43,773,248.59
  5. Step 5: Solve for x
    x = 43,773,248.59/7,199.56
  6. Step 6: Final answer
    x = 6,079.99

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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.