Home / 4,187.60-6,270.60-3,316.40

Finding the Fourth Proportional to 4,187.60, 6,270.60 and 3,316.40

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Solution

The fourth proportional to 4,187.60, 6,270.60 and 3,316.40 is: 4,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.60 : 6,270.60 = 3,316.40 : x
  2. Step 2: Convert to fraction form
    4,187.60/6,270.60 = 3,316.40/x
  3. Step 3: Cross multiply
    4,187.60x = 6,270.60 × 3,316.40
  4. Step 4: Simplify right side
    4,187.60x = 20,795,817.84
  5. Step 5: Solve for x
    x = 20,795,817.84/4,187.60
  6. Step 6: Final answer
    x = 4,966.05

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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.