Home / 7,219.44-9,962.79-4,075.62

Finding the Fourth Proportional to 7,219.44, 9,962.79 and 4,075.62

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Solution

The fourth proportional to 7,219.44, 9,962.79 and 4,075.62 is: 5,624.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.44 : 9,962.79 = 4,075.62 : x
  2. Step 2: Convert to fraction form
    7,219.44/9,962.79 = 4,075.62/x
  3. Step 3: Cross multiply
    7,219.44x = 9,962.79 × 4,075.62
  4. Step 4: Simplify right side
    7,219.44x = 40,604,546.18
  5. Step 5: Solve for x
    x = 40,604,546.18/7,219.44
  6. Step 6: Final answer
    x = 5,624.33

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1.5x scale

Why These Related Problems?

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