Home / 7,269.36-10,905.84-2,075.28

Finding the Fourth Proportional to 7,269.36, 10,905.84 and 2,075.28

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Solution

The fourth proportional to 7,269.36, 10,905.84 and 2,075.28 is: 3,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.36 : 10,905.84 = 2,075.28 : x
  2. Step 2: Convert to fraction form
    7,269.36/10,905.84 = 2,075.28/x
  3. Step 3: Cross multiply
    7,269.36x = 10,905.84 × 2,075.28
  4. Step 4: Simplify right side
    7,269.36x = 22,632,671.64
  5. Step 5: Solve for x
    x = 22,632,671.64/7,269.36
  6. Step 6: Final answer
    x = 3,113.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.