Home / 7,075.92-10,613.64-2,145.36

Finding the Fourth Proportional to 7,075.92, 10,613.64 and 2,145.36

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Solution

The fourth proportional to 7,075.92, 10,613.64 and 2,145.36 is: 3,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.92 : 10,613.64 = 2,145.36 : x
  2. Step 2: Convert to fraction form
    7,075.92/10,613.64 = 2,145.36/x
  3. Step 3: Cross multiply
    7,075.92x = 10,613.64 × 2,145.36
  4. Step 4: Simplify right side
    7,075.92x = 22,770,078.71
  5. Step 5: Solve for x
    x = 22,770,078.71/7,075.92
  6. Step 6: Final answer
    x = 3,217.97

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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.