Home / 5,241.34-7,857.55-2,318.05

Finding the Fourth Proportional to 5,241.34, 7,857.55 and 2,318.05

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Solution

The fourth proportional to 5,241.34, 7,857.55 and 2,318.05 is: 3,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.34 : 7,857.55 = 2,318.05 : x
  2. Step 2: Convert to fraction form
    5,241.34/7,857.55 = 2,318.05/x
  3. Step 3: Cross multiply
    5,241.34x = 7,857.55 × 2,318.05
  4. Step 4: Simplify right side
    5,241.34x = 18,214,193.78
  5. Step 5: Solve for x
    x = 18,214,193.78/5,241.34
  6. Step 6: Final answer
    x = 3,475.10

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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.