Home / 6,220-8,583.60-3,425.50

Finding the Fourth Proportional to 6,220, 8,583.60 and 3,425.50

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Solution

The fourth proportional to 6,220, 8,583.60 and 3,425.50 is: 4,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220 : 8,583.60 = 3,425.50 : x
  2. Step 2: Convert to fraction form
    6,220/8,583.60 = 3,425.50/x
  3. Step 3: Cross multiply
    6,220x = 8,583.60 × 3,425.50
  4. Step 4: Simplify right side
    6,220x = 29,403,121.80
  5. Step 5: Solve for x
    x = 29,403,121.80/6,220
  6. Step 6: Final answer
    x = 4,727.19

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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.