Home / 5,354.07-7,389.48-3,674.09

Finding the Fourth Proportional to 5,354.07, 7,389.48 and 3,674.09

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Solution

The fourth proportional to 5,354.07, 7,389.48 and 3,674.09 is: 5,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.07 : 7,389.48 = 3,674.09 : x
  2. Step 2: Convert to fraction form
    5,354.07/7,389.48 = 3,674.09/x
  3. Step 3: Cross multiply
    5,354.07x = 7,389.48 × 3,674.09
  4. Step 4: Simplify right side
    5,354.07x = 27,149,577.63
  5. Step 5: Solve for x
    x = 27,149,577.63/5,354.07
  6. Step 6: Final answer
    x = 5,070.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.