Home / 4,051.80-6,077.70-3,401.40

Finding the Fourth Proportional to 4,051.80, 6,077.70 and 3,401.40

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Solution

The fourth proportional to 4,051.80, 6,077.70 and 3,401.40 is: 5,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.80 : 6,077.70 = 3,401.40 : x
  2. Step 2: Convert to fraction form
    4,051.80/6,077.70 = 3,401.40/x
  3. Step 3: Cross multiply
    4,051.80x = 6,077.70 × 3,401.40
  4. Step 4: Simplify right side
    4,051.80x = 20,672,688.78
  5. Step 5: Solve for x
    x = 20,672,688.78/4,051.80
  6. Step 6: Final answer
    x = 5,102.10

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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.