Home / 8,745.51-13,115.53-3,810.18

Finding the Fourth Proportional to 8,745.51, 13,115.53 and 3,810.18

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Solution

The fourth proportional to 8,745.51, 13,115.53 and 3,810.18 is: 5,714.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.51 : 13,115.53 = 3,810.18 : x
  2. Step 2: Convert to fraction form
    8,745.51/13,115.53 = 3,810.18/x
  3. Step 3: Cross multiply
    8,745.51x = 13,115.53 × 3,810.18
  4. Step 4: Simplify right side
    8,745.51x = 49,972,530.10
  5. Step 5: Solve for x
    x = 49,972,530.10/8,745.51
  6. Step 6: Final answer
    x = 5,714.08

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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.