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Finding the Fourth Proportional to 7,300.16, 10,080.96 and 6,855.20

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Solution

The fourth proportional to 7,300.16, 10,080.96 and 6,855.20 is: 9,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.16 : 10,080.96 = 6,855.20 : x
  2. Step 2: Convert to fraction form
    7,300.16/10,080.96 = 6,855.20/x
  3. Step 3: Cross multiply
    7,300.16x = 10,080.96 × 6,855.20
  4. Step 4: Simplify right side
    7,300.16x = 69,106,996.99
  5. Step 5: Solve for x
    x = 69,106,996.99/7,300.16
  6. Step 6: Final answer
    x = 9,466.50

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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.