Home / 7,278.03-10,917.75-2,894.51

Finding the Fourth Proportional to 7,278.03, 10,917.75 and 2,894.51

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Solution

The fourth proportional to 7,278.03, 10,917.75 and 2,894.51 is: 4,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.03 : 10,917.75 = 2,894.51 : x
  2. Step 2: Convert to fraction form
    7,278.03/10,917.75 = 2,894.51/x
  3. Step 3: Cross multiply
    7,278.03x = 10,917.75 × 2,894.51
  4. Step 4: Simplify right side
    7,278.03x = 31,601,522.08
  5. Step 5: Solve for x
    x = 31,601,522.08/7,278.03
  6. Step 6: Final answer
    x = 4,342.04

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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.