Home / 5,011.20-6,912.78-4,068.06

Finding the Fourth Proportional to 5,011.20, 6,912.78 and 4,068.06

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Solution

The fourth proportional to 5,011.20, 6,912.78 and 4,068.06 is: 5,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.20 : 6,912.78 = 4,068.06 : x
  2. Step 2: Convert to fraction form
    5,011.20/6,912.78 = 4,068.06/x
  3. Step 3: Cross multiply
    5,011.20x = 6,912.78 × 4,068.06
  4. Step 4: Simplify right side
    5,011.20x = 28,121,603.81
  5. Step 5: Solve for x
    x = 28,121,603.81/5,011.20
  6. Step 6: Final answer
    x = 5,611.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.