Home / 5,395.23-7,445.42-3,157.54

Finding the Fourth Proportional to 5,395.23, 7,445.42 and 3,157.54

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Solution

The fourth proportional to 5,395.23, 7,445.42 and 3,157.54 is: 4,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.23 : 7,445.42 = 3,157.54 : x
  2. Step 2: Convert to fraction form
    5,395.23/7,445.42 = 3,157.54/x
  3. Step 3: Cross multiply
    5,395.23x = 7,445.42 × 3,157.54
  4. Step 4: Simplify right side
    5,395.23x = 23,509,174.24
  5. Step 5: Solve for x
    x = 23,509,174.24/5,395.23
  6. Step 6: Final answer
    x = 4,357.40

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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.