Home / 4,276.38-6,415.26-1,314.74

Finding the Fourth Proportional to 4,276.38, 6,415.26 and 1,314.74

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Solution

The fourth proportional to 4,276.38, 6,415.26 and 1,314.74 is: 1,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.38 : 6,415.26 = 1,314.74 : x
  2. Step 2: Convert to fraction form
    4,276.38/6,415.26 = 1,314.74/x
  3. Step 3: Cross multiply
    4,276.38x = 6,415.26 × 1,314.74
  4. Step 4: Simplify right side
    4,276.38x = 8,434,398.93
  5. Step 5: Solve for x
    x = 8,434,398.93/4,276.38
  6. Step 6: Final answer
    x = 1,972.32

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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.