Home / 4,881.75-7,312.91-2,409.09

Finding the Fourth Proportional to 4,881.75, 7,312.91 and 2,409.09

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Solution

The fourth proportional to 4,881.75, 7,312.91 and 2,409.09 is: 3,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.75 : 7,312.91 = 2,409.09 : x
  2. Step 2: Convert to fraction form
    4,881.75/7,312.91 = 2,409.09/x
  3. Step 3: Cross multiply
    4,881.75x = 7,312.91 × 2,409.09
  4. Step 4: Simplify right side
    4,881.75x = 17,617,446.31
  5. Step 5: Solve for x
    x = 17,617,446.31/4,881.75
  6. Step 6: Final answer
    x = 3,608.84

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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.