Home / 6,019.20-9,039.60-4,377.60

Finding the Fourth Proportional to 6,019.20, 9,039.60 and 4,377.60

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Solution

The fourth proportional to 6,019.20, 9,039.60 and 4,377.60 is: 6,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,019.20 : 9,039.60 = 4,377.60 : x
  2. Step 2: Convert to fraction form
    6,019.20/9,039.60 = 4,377.60/x
  3. Step 3: Cross multiply
    6,019.20x = 9,039.60 × 4,377.60
  4. Step 4: Simplify right side
    6,019.20x = 39,571,752.96
  5. Step 5: Solve for x
    x = 39,571,752.96/6,019.20
  6. Step 6: Final answer
    x = 6,574.25

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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.