Home / 4,627.45-6,385.80-2,858.55

Finding the Fourth Proportional to 4,627.45, 6,385.80 and 2,858.55

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Solution

The fourth proportional to 4,627.45, 6,385.80 and 2,858.55 is: 3,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.45 : 6,385.80 = 2,858.55 : x
  2. Step 2: Convert to fraction form
    4,627.45/6,385.80 = 2,858.55/x
  3. Step 3: Cross multiply
    4,627.45x = 6,385.80 × 2,858.55
  4. Step 4: Simplify right side
    4,627.45x = 18,254,128.59
  5. Step 5: Solve for x
    x = 18,254,128.59/4,627.45
  6. Step 6: Final answer
    x = 3,944.75

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