Home / 4,571.01-6,817.19-4,128.12

Finding the Fourth Proportional to 4,571.01, 6,817.19 and 4,128.12

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Solution

The fourth proportional to 4,571.01, 6,817.19 and 4,128.12 is: 6,156.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.01 : 6,817.19 = 4,128.12 : x
  2. Step 2: Convert to fraction form
    4,571.01/6,817.19 = 4,128.12/x
  3. Step 3: Cross multiply
    4,571.01x = 6,817.19 × 4,128.12
  4. Step 4: Simplify right side
    4,571.01x = 28,142,157.74
  5. Step 5: Solve for x
    x = 28,142,157.74/4,571.01
  6. Step 6: Final answer
    x = 6,156.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.