Home / 8,155.37-11,254.18-4,619.72

Finding the Fourth Proportional to 8,155.37, 11,254.18 and 4,619.72

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Solution

The fourth proportional to 8,155.37, 11,254.18 and 4,619.72 is: 6,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.37 : 11,254.18 = 4,619.72 : x
  2. Step 2: Convert to fraction form
    8,155.37/11,254.18 = 4,619.72/x
  3. Step 3: Cross multiply
    8,155.37x = 11,254.18 × 4,619.72
  4. Step 4: Simplify right side
    8,155.37x = 51,991,160.43
  5. Step 5: Solve for x
    x = 51,991,160.43/8,155.37
  6. Step 6: Final answer
    x = 6,375.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.