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Finding the Fourth Proportional to 7,174.63, 9,900.93 and 4,030.75

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Solution

The fourth proportional to 7,174.63, 9,900.93 and 4,030.75 is: 5,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.63 : 9,900.93 = 4,030.75 : x
  2. Step 2: Convert to fraction form
    7,174.63/9,900.93 = 4,030.75/x
  3. Step 3: Cross multiply
    7,174.63x = 9,900.93 × 4,030.75
  4. Step 4: Simplify right side
    7,174.63x = 39,908,173.60
  5. Step 5: Solve for x
    x = 39,908,173.60/7,174.63
  6. Step 6: Final answer
    x = 5,562.40

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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.