Home / 4,114.89-6,172.71-1,340.85

Finding the Fourth Proportional to 4,114.89, 6,172.71 and 1,340.85

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Solution

The fourth proportional to 4,114.89, 6,172.71 and 1,340.85 is: 2,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.89 : 6,172.71 = 1,340.85 : x
  2. Step 2: Convert to fraction form
    4,114.89/6,172.71 = 1,340.85/x
  3. Step 3: Cross multiply
    4,114.89x = 6,172.71 × 1,340.85
  4. Step 4: Simplify right side
    4,114.89x = 8,276,678.20
  5. Step 5: Solve for x
    x = 8,276,678.20/4,114.89
  6. Step 6: Final answer
    x = 2,011.40

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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.