Home / 9,730.55-13,428.84-5,538.80

Finding the Fourth Proportional to 9,730.55, 13,428.84 and 5,538.80

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Solution

The fourth proportional to 9,730.55, 13,428.84 and 5,538.80 is: 7,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730.55 : 13,428.84 = 5,538.80 : x
  2. Step 2: Convert to fraction form
    9,730.55/13,428.84 = 5,538.80/x
  3. Step 3: Cross multiply
    9,730.55x = 13,428.84 × 5,538.80
  4. Step 4: Simplify right side
    9,730.55x = 74,379,658.99
  5. Step 5: Solve for x
    x = 74,379,658.99/9,730.55
  6. Step 6: Final answer
    x = 7,643.93

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