Home / 4,120.77-5,683.35-3,622.35

Finding the Fourth Proportional to 4,120.77, 5,683.35 and 3,622.35

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Solution

The fourth proportional to 4,120.77, 5,683.35 and 3,622.35 is: 4,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.77 : 5,683.35 = 3,622.35 : x
  2. Step 2: Convert to fraction form
    4,120.77/5,683.35 = 3,622.35/x
  3. Step 3: Cross multiply
    4,120.77x = 5,683.35 × 3,622.35
  4. Step 4: Simplify right side
    4,120.77x = 20,587,054.46
  5. Step 5: Solve for x
    x = 20,587,054.46/4,120.77
  6. Step 6: Final answer
    x = 4,995.93

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Half scale
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Double scale
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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.