Home / 7,126.42-10,684.23-4,168.30

Finding the Fourth Proportional to 7,126.42, 10,684.23 and 4,168.30

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Solution

The fourth proportional to 7,126.42, 10,684.23 and 4,168.30 is: 6,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.42 : 10,684.23 = 4,168.30 : x
  2. Step 2: Convert to fraction form
    7,126.42/10,684.23 = 4,168.30/x
  3. Step 3: Cross multiply
    7,126.42x = 10,684.23 × 4,168.30
  4. Step 4: Simplify right side
    7,126.42x = 44,535,075.91
  5. Step 5: Solve for x
    x = 44,535,075.91/7,126.42
  6. Step 6: Final answer
    x = 6,249.29

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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.