Home / 5,256.84-7,876.44-2,620.74

Finding the Fourth Proportional to 5,256.84, 7,876.44 and 2,620.74

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Solution

The fourth proportional to 5,256.84, 7,876.44 and 2,620.74 is: 3,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.84 : 7,876.44 = 2,620.74 : x
  2. Step 2: Convert to fraction form
    5,256.84/7,876.44 = 2,620.74/x
  3. Step 3: Cross multiply
    5,256.84x = 7,876.44 × 2,620.74
  4. Step 4: Simplify right side
    5,256.84x = 20,642,101.37
  5. Step 5: Solve for x
    x = 20,642,101.37/5,256.84
  6. Step 6: Final answer
    x = 3,926.71

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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.