Home / 4,415.08-6,622.61-1,128.17

Finding the Fourth Proportional to 4,415.08, 6,622.61 and 1,128.17

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Solution

The fourth proportional to 4,415.08, 6,622.61 and 1,128.17 is: 1,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.08 : 6,622.61 = 1,128.17 : x
  2. Step 2: Convert to fraction form
    4,415.08/6,622.61 = 1,128.17/x
  3. Step 3: Cross multiply
    4,415.08x = 6,622.61 × 1,128.17
  4. Step 4: Simplify right side
    4,415.08x = 7,471,429.92
  5. Step 5: Solve for x
    x = 7,471,429.92/4,415.08
  6. Step 6: Final answer
    x = 1,692.25

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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.