Home / 5,345.93-8,018.82-1,788.31

Finding the Fourth Proportional to 5,345.93, 8,018.82 and 1,788.31

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Solution

The fourth proportional to 5,345.93, 8,018.82 and 1,788.31 is: 2,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.93 : 8,018.82 = 1,788.31 : x
  2. Step 2: Convert to fraction form
    5,345.93/8,018.82 = 1,788.31/x
  3. Step 3: Cross multiply
    5,345.93x = 8,018.82 × 1,788.31
  4. Step 4: Simplify right side
    5,345.93x = 14,340,135.99
  5. Step 5: Solve for x
    x = 14,340,135.99/5,345.93
  6. Step 6: Final answer
    x = 2,682.44

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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.