Home / 4,885.64-6,739.41-2,895.86

Finding the Fourth Proportional to 4,885.64, 6,739.41 and 2,895.86

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Solution

The fourth proportional to 4,885.64, 6,739.41 and 2,895.86 is: 3,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.64 : 6,739.41 = 2,895.86 : x
  2. Step 2: Convert to fraction form
    4,885.64/6,739.41 = 2,895.86/x
  3. Step 3: Cross multiply
    4,885.64x = 6,739.41 × 2,895.86
  4. Step 4: Simplify right side
    4,885.64x = 19,516,387.84
  5. Step 5: Solve for x
    x = 19,516,387.84/4,885.64
  6. Step 6: Final answer
    x = 3,994.64

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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.