Home / 5,389,418.75-8,084,128.40-4,304,853.38

Finding the Fourth Proportional to 5,389,418.75, 8,084,128.40 and 4,304,853.38

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Solution

The fourth proportional to 5,389,418.75, 8,084,128.40 and 4,304,853.38 is: 6,457,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,418.75 : 8,084,128.40 = 4,304,853.38 : x
  2. Step 2: Convert to fraction form
    5,389,418.75/8,084,128.40 = 4,304,853.38/x
  3. Step 3: Cross multiply
    5,389,418.75x = 8,084,128.40 × 4,304,853.38
  4. Step 4: Simplify right side
    5,389,418.75x = 34,800,987,500,453.29
  5. Step 5: Solve for x
    x = 34,800,987,500,453.29/5,389,418.75
  6. Step 6: Final answer
    x = 6,457,280.30

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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.