Home / 7,918.01-11,874.98-2,986.19

Finding the Fourth Proportional to 7,918.01, 11,874.98 and 2,986.19

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Solution

The fourth proportional to 7,918.01, 11,874.98 and 2,986.19 is: 4,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.01 : 11,874.98 = 2,986.19 : x
  2. Step 2: Convert to fraction form
    7,918.01/11,874.98 = 2,986.19/x
  3. Step 3: Cross multiply
    7,918.01x = 11,874.98 × 2,986.19
  4. Step 4: Simplify right side
    7,918.01x = 35,460,894.62
  5. Step 5: Solve for x
    x = 35,460,894.62/7,918.01
  6. Step 6: Final answer
    x = 4,478.51

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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.