Home / 4,385.64-6,051.60-2,815.86

Finding the Fourth Proportional to 4,385.64, 6,051.60 and 2,815.86

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Solution

The fourth proportional to 4,385.64, 6,051.60 and 2,815.86 is: 3,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.64 : 6,051.60 = 2,815.86 : x
  2. Step 2: Convert to fraction form
    4,385.64/6,051.60 = 2,815.86/x
  3. Step 3: Cross multiply
    4,385.64x = 6,051.60 × 2,815.86
  4. Step 4: Simplify right side
    4,385.64x = 17,040,458.38
  5. Step 5: Solve for x
    x = 17,040,458.38/4,385.64
  6. Step 6: Final answer
    x = 3,885.51

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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.