Home / 5,192.90-7,788.61-1,682.45

Finding the Fourth Proportional to 5,192.90, 7,788.61 and 1,682.45

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Solution

The fourth proportional to 5,192.90, 7,788.61 and 1,682.45 is: 2,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.90 : 7,788.61 = 1,682.45 : x
  2. Step 2: Convert to fraction form
    5,192.90/7,788.61 = 1,682.45/x
  3. Step 3: Cross multiply
    5,192.90x = 7,788.61 × 1,682.45
  4. Step 4: Simplify right side
    5,192.90x = 13,103,946.89
  5. Step 5: Solve for x
    x = 13,103,946.89/5,192.90
  6. Step 6: Final answer
    x = 2,523.44

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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.