Home / 7,075.46-10,615.94-2,145.14

Finding the Fourth Proportional to 7,075.46, 10,615.94 and 2,145.14

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Solution

The fourth proportional to 7,075.46, 10,615.94 and 2,145.14 is: 3,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.46 : 10,615.94 = 2,145.14 : x
  2. Step 2: Convert to fraction form
    7,075.46/10,615.94 = 2,145.14/x
  3. Step 3: Cross multiply
    7,075.46x = 10,615.94 × 2,145.14
  4. Step 4: Simplify right side
    7,075.46x = 22,772,677.53
  5. Step 5: Solve for x
    x = 22,772,677.53/7,075.46
  6. Step 6: Final answer
    x = 3,218.54

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1.5x scale

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.