Home / 4,200.55-6,300.81-1,241.07

Finding the Fourth Proportional to 4,200.55, 6,300.81 and 1,241.07

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Solution

The fourth proportional to 4,200.55, 6,300.81 and 1,241.07 is: 1,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.55 : 6,300.81 = 1,241.07 : x
  2. Step 2: Convert to fraction form
    4,200.55/6,300.81 = 1,241.07/x
  3. Step 3: Cross multiply
    4,200.55x = 6,300.81 × 1,241.07
  4. Step 4: Simplify right side
    4,200.55x = 7,819,750.92
  5. Step 5: Solve for x
    x = 7,819,750.92/4,200.55
  6. Step 6: Final answer
    x = 1,861.60

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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.