Home / 9,039.67-13,563.39-4,878.85

Finding the Fourth Proportional to 9,039.67, 13,563.39 and 4,878.85

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Solution

The fourth proportional to 9,039.67, 13,563.39 and 4,878.85 is: 7,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.67 : 13,563.39 = 4,878.85 : x
  2. Step 2: Convert to fraction form
    9,039.67/13,563.39 = 4,878.85/x
  3. Step 3: Cross multiply
    9,039.67x = 13,563.39 × 4,878.85
  4. Step 4: Simplify right side
    9,039.67x = 66,173,719.79
  5. Step 5: Solve for x
    x = 66,173,719.79/9,039.67
  6. Step 6: Final answer
    x = 7,320.37

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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.