Home / 4,255.64-6,378.29-2,276.40

Finding the Fourth Proportional to 4,255.64, 6,378.29 and 2,276.40

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Solution

The fourth proportional to 4,255.64, 6,378.29 and 2,276.40 is: 3,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.64 : 6,378.29 = 2,276.40 : x
  2. Step 2: Convert to fraction form
    4,255.64/6,378.29 = 2,276.40/x
  3. Step 3: Cross multiply
    4,255.64x = 6,378.29 × 2,276.40
  4. Step 4: Simplify right side
    4,255.64x = 14,519,573.23
  5. Step 5: Solve for x
    x = 14,519,573.23/4,255.64
  6. Step 6: Final answer
    x = 3,411.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.