Home / 6,077.81-9,119.46-3,480.75

Finding the Fourth Proportional to 6,077.81, 9,119.46 and 3,480.75

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Solution

The fourth proportional to 6,077.81, 9,119.46 and 3,480.75 is: 5,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.81 : 9,119.46 = 3,480.75 : x
  2. Step 2: Convert to fraction form
    6,077.81/9,119.46 = 3,480.75/x
  3. Step 3: Cross multiply
    6,077.81x = 9,119.46 × 3,480.75
  4. Step 4: Simplify right side
    6,077.81x = 31,742,573.45
  5. Step 5: Solve for x
    x = 31,742,573.45/6,077.81
  6. Step 6: Final answer
    x = 5,222.70

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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.