Home / 4,268.74-6,400.01-2,878.63

Finding the Fourth Proportional to 4,268.74, 6,400.01 and 2,878.63

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Solution

The fourth proportional to 4,268.74, 6,400.01 and 2,878.63 is: 4,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.74 : 6,400.01 = 2,878.63 : x
  2. Step 2: Convert to fraction form
    4,268.74/6,400.01 = 2,878.63/x
  3. Step 3: Cross multiply
    4,268.74x = 6,400.01 × 2,878.63
  4. Step 4: Simplify right side
    4,268.74x = 18,423,260.79
  5. Step 5: Solve for x
    x = 18,423,260.79/4,268.74
  6. Step 6: Final answer
    x = 4,315.85

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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.