Home / 5,345.85-8,018.78-1,450.16

Finding the Fourth Proportional to 5,345.85, 8,018.78 and 1,450.16

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Solution

The fourth proportional to 5,345.85, 8,018.78 and 1,450.16 is: 2,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.85 : 8,018.78 = 1,450.16 : x
  2. Step 2: Convert to fraction form
    5,345.85/8,018.78 = 1,450.16/x
  3. Step 3: Cross multiply
    5,345.85x = 8,018.78 × 1,450.16
  4. Step 4: Simplify right side
    5,345.85x = 11,628,514.00
  5. Step 5: Solve for x
    x = 11,628,514.00/5,345.85
  6. Step 6: Final answer
    x = 2,175.24

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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.