Home / 4,077.80-6,111.84-2,104.40

Finding the Fourth Proportional to 4,077.80, 6,111.84 and 2,104.40

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Solution

The fourth proportional to 4,077.80, 6,111.84 and 2,104.40 is: 3,154.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.80 : 6,111.84 = 2,104.40 : x
  2. Step 2: Convert to fraction form
    4,077.80/6,111.84 = 2,104.40/x
  3. Step 3: Cross multiply
    4,077.80x = 6,111.84 × 2,104.40
  4. Step 4: Simplify right side
    4,077.80x = 12,861,756.10
  5. Step 5: Solve for x
    x = 12,861,756.10/4,077.80
  6. Step 6: Final answer
    x = 3,154.09

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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.