Home / 6,220-8,583.64-3,425.60

Finding the Fourth Proportional to 6,220, 8,583.64 and 3,425.60

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Solution

The fourth proportional to 6,220, 8,583.64 and 3,425.60 is: 4,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220 : 8,583.64 = 3,425.60 : x
  2. Step 2: Convert to fraction form
    6,220/8,583.64 = 3,425.60/x
  3. Step 3: Cross multiply
    6,220x = 8,583.64 × 3,425.60
  4. Step 4: Simplify right side
    6,220x = 29,404,117.18
  5. Step 5: Solve for x
    x = 29,404,117.18/6,220
  6. Step 6: Final answer
    x = 4,727.35

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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.