Home / 4,276.55-6,415.45-2,083.79

Finding the Fourth Proportional to 4,276.55, 6,415.45 and 2,083.79

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Solution

The fourth proportional to 4,276.55, 6,415.45 and 2,083.79 is: 3,125.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.55 : 6,415.45 = 2,083.79 : x
  2. Step 2: Convert to fraction form
    4,276.55/6,415.45 = 2,083.79/x
  3. Step 3: Cross multiply
    4,276.55x = 6,415.45 × 2,083.79
  4. Step 4: Simplify right side
    4,276.55x = 13,368,461.38
  5. Step 5: Solve for x
    x = 13,368,461.38/4,276.55
  6. Step 6: Final answer
    x = 3,125.99

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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.