Home / 7,025.28-9,692.48-4,081.28

Finding the Fourth Proportional to 7,025.28, 9,692.48 and 4,081.28

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Solution

The fourth proportional to 7,025.28, 9,692.48 and 4,081.28 is: 5,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.28 : 9,692.48 = 4,081.28 : x
  2. Step 2: Convert to fraction form
    7,025.28/9,692.48 = 4,081.28/x
  3. Step 3: Cross multiply
    7,025.28x = 9,692.48 × 4,081.28
  4. Step 4: Simplify right side
    7,025.28x = 39,557,724.77
  5. Step 5: Solve for x
    x = 39,557,724.77/7,025.28
  6. Step 6: Final answer
    x = 5,630.77

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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.