Home / 7,242.48-10,857.58-2,863.01

Finding the Fourth Proportional to 7,242.48, 10,857.58 and 2,863.01

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Solution

The fourth proportional to 7,242.48, 10,857.58 and 2,863.01 is: 4,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.48 : 10,857.58 = 2,863.01 : x
  2. Step 2: Convert to fraction form
    7,242.48/10,857.58 = 2,863.01/x
  3. Step 3: Cross multiply
    7,242.48x = 10,857.58 × 2,863.01
  4. Step 4: Simplify right side
    7,242.48x = 31,085,380.10
  5. Step 5: Solve for x
    x = 31,085,380.10/7,242.48
  6. Step 6: Final answer
    x = 4,292.09

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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.