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Finding the Fourth Proportional to 7,309.98, 10,085.37 and 4,474.40

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Solution

The fourth proportional to 7,309.98, 10,085.37 and 4,474.40 is: 6,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.98 : 10,085.37 = 4,474.40 : x
  2. Step 2: Convert to fraction form
    7,309.98/10,085.37 = 4,474.40/x
  3. Step 3: Cross multiply
    7,309.98x = 10,085.37 × 4,474.40
  4. Step 4: Simplify right side
    7,309.98x = 45,125,929.10
  5. Step 5: Solve for x
    x = 45,125,929.10/7,309.98
  6. Step 6: Final answer
    x = 6,173.19

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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.