Home / 8,745.06-13,117.53-2,171.19

Finding the Fourth Proportional to 8,745.06, 13,117.53 and 2,171.19

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Solution

The fourth proportional to 8,745.06, 13,117.53 and 2,171.19 is: 3,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.06 : 13,117.53 = 2,171.19 : x
  2. Step 2: Convert to fraction form
    8,745.06/13,117.53 = 2,171.19/x
  3. Step 3: Cross multiply
    8,745.06x = 13,117.53 × 2,171.19
  4. Step 4: Simplify right side
    8,745.06x = 28,480,649.96
  5. Step 5: Solve for x
    x = 28,480,649.96/8,745.06
  6. Step 6: Final answer
    x = 3,256.77

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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.