Home / 5,230.62-7,845.31-1,943.77

Finding the Fourth Proportional to 5,230.62, 7,845.31 and 1,943.77

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Solution

The fourth proportional to 5,230.62, 7,845.31 and 1,943.77 is: 2,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.62 : 7,845.31 = 1,943.77 : x
  2. Step 2: Convert to fraction form
    5,230.62/7,845.31 = 1,943.77/x
  3. Step 3: Cross multiply
    5,230.62x = 7,845.31 × 1,943.77
  4. Step 4: Simplify right side
    5,230.62x = 15,249,478.22
  5. Step 5: Solve for x
    x = 15,249,478.22/5,230.62
  6. Step 6: Final answer
    x = 2,915.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.