Home / 5,157.24-7,109.52-3,810.87

Finding the Fourth Proportional to 5,157.24, 7,109.52 and 3,810.87

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Solution

The fourth proportional to 5,157.24, 7,109.52 and 3,810.87 is: 5,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.24 : 7,109.52 = 3,810.87 : x
  2. Step 2: Convert to fraction form
    5,157.24/7,109.52 = 3,810.87/x
  3. Step 3: Cross multiply
    5,157.24x = 7,109.52 × 3,810.87
  4. Step 4: Simplify right side
    5,157.24x = 27,093,483.62
  5. Step 5: Solve for x
    x = 27,093,483.62/5,157.24
  6. Step 6: Final answer
    x = 5,253.48

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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.