Home / 9,022.80-13,530.60-3,176.40

Finding the Fourth Proportional to 9,022.80, 13,530.60 and 3,176.40

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Solution

The fourth proportional to 9,022.80, 13,530.60 and 3,176.40 is: 4,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,022.80 : 13,530.60 = 3,176.40 : x
  2. Step 2: Convert to fraction form
    9,022.80/13,530.60 = 3,176.40/x
  3. Step 3: Cross multiply
    9,022.80x = 13,530.60 × 3,176.40
  4. Step 4: Simplify right side
    9,022.80x = 42,978,597.84
  5. Step 5: Solve for x
    x = 42,978,597.84/9,022.80
  6. Step 6: Final answer
    x = 4,763.33

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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.