Home / 4,755.15-6,560.64-2,765.34

Finding the Fourth Proportional to 4,755.15, 6,560.64 and 2,765.34

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Solution

The fourth proportional to 4,755.15, 6,560.64 and 2,765.34 is: 3,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.15 : 6,560.64 = 2,765.34 : x
  2. Step 2: Convert to fraction form
    4,755.15/6,560.64 = 2,765.34/x
  3. Step 3: Cross multiply
    4,755.15x = 6,560.64 × 2,765.34
  4. Step 4: Simplify right side
    4,755.15x = 18,142,400.22
  5. Step 5: Solve for x
    x = 18,142,400.22/4,755.15
  6. Step 6: Final answer
    x = 3,815.32

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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.