Home / 5,241.04-7,861.75-1,345.43

Finding the Fourth Proportional to 5,241.04, 7,861.75 and 1,345.43

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Solution

The fourth proportional to 5,241.04, 7,861.75 and 1,345.43 is: 2,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.04 : 7,861.75 = 1,345.43 : x
  2. Step 2: Convert to fraction form
    5,241.04/7,861.75 = 1,345.43/x
  3. Step 3: Cross multiply
    5,241.04x = 7,861.75 × 1,345.43
  4. Step 4: Simplify right side
    5,241.04x = 10,577,450.59
  5. Step 5: Solve for x
    x = 10,577,450.59/5,241.04
  6. Step 6: Final answer
    x = 2,018.20

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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.