Home / 4,120.20-6,176.70-2,477.40

Finding the Fourth Proportional to 4,120.20, 6,176.70 and 2,477.40

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Solution

The fourth proportional to 4,120.20, 6,176.70 and 2,477.40 is: 3,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.20 : 6,176.70 = 2,477.40 : x
  2. Step 2: Convert to fraction form
    4,120.20/6,176.70 = 2,477.40/x
  3. Step 3: Cross multiply
    4,120.20x = 6,176.70 × 2,477.40
  4. Step 4: Simplify right side
    4,120.20x = 15,302,156.58
  5. Step 5: Solve for x
    x = 15,302,156.58/4,120.20
  6. Step 6: Final answer
    x = 3,713.94

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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.