Home / 5,372.15-8,021.45-4,813.25

Finding the Fourth Proportional to 5,372.15, 8,021.45 and 4,813.25

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Solution

The fourth proportional to 5,372.15, 8,021.45 and 4,813.25 is: 7,186.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.15 : 8,021.45 = 4,813.25 : x
  2. Step 2: Convert to fraction form
    5,372.15/8,021.45 = 4,813.25/x
  3. Step 3: Cross multiply
    5,372.15x = 8,021.45 × 4,813.25
  4. Step 4: Simplify right side
    5,372.15x = 38,609,216.14
  5. Step 5: Solve for x
    x = 38,609,216.14/5,372.15
  6. Step 6: Final answer
    x = 7,186.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.