Home / 4,077.80-6,111.30-3,613.40

Finding the Fourth Proportional to 4,077.80, 6,111.30 and 3,613.40

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Solution

The fourth proportional to 4,077.80, 6,111.30 and 3,613.40 is: 5,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.80 : 6,111.30 = 3,613.40 : x
  2. Step 2: Convert to fraction form
    4,077.80/6,111.30 = 3,613.40/x
  3. Step 3: Cross multiply
    4,077.80x = 6,111.30 × 3,613.40
  4. Step 4: Simplify right side
    4,077.80x = 22,082,571.42
  5. Step 5: Solve for x
    x = 22,082,571.42/4,077.80
  6. Step 6: Final answer
    x = 5,415.31

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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.