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Finding the Fourth Proportional to 7,219.08, 9,962.08 and 4,075.56

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Solution

The fourth proportional to 7,219.08, 9,962.08 and 4,075.56 is: 5,624.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.08 : 9,962.08 = 4,075.56 : x
  2. Step 2: Convert to fraction form
    7,219.08/9,962.08 = 4,075.56/x
  3. Step 3: Cross multiply
    7,219.08x = 9,962.08 × 4,075.56
  4. Step 4: Simplify right side
    7,219.08x = 40,601,054.76
  5. Step 5: Solve for x
    x = 40,601,054.76/7,219.08
  6. Step 6: Final answer
    x = 5,624.13

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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.