Home / 5,354.10-7,388.62-3,117.29

Finding the Fourth Proportional to 5,354.10, 7,388.62 and 3,117.29

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Solution

The fourth proportional to 5,354.10, 7,388.62 and 3,117.29 is: 4,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.10 : 7,388.62 = 3,117.29 : x
  2. Step 2: Convert to fraction form
    5,354.10/7,388.62 = 3,117.29/x
  3. Step 3: Cross multiply
    5,354.10x = 7,388.62 × 3,117.29
  4. Step 4: Simplify right side
    5,354.10x = 23,032,426.50
  5. Step 5: Solve for x
    x = 23,032,426.50/5,354.10
  6. Step 6: Final answer
    x = 4,301.83

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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.