Home / 4,768.31-6,580.68-2,672.84

Finding the Fourth Proportional to 4,768.31, 6,580.68 and 2,672.84

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Solution

The fourth proportional to 4,768.31, 6,580.68 and 2,672.84 is: 3,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.31 : 6,580.68 = 2,672.84 : x
  2. Step 2: Convert to fraction form
    4,768.31/6,580.68 = 2,672.84/x
  3. Step 3: Cross multiply
    4,768.31x = 6,580.68 × 2,672.84
  4. Step 4: Simplify right side
    4,768.31x = 17,589,111.16
  5. Step 5: Solve for x
    x = 17,589,111.16/4,768.31
  6. Step 6: Final answer
    x = 3,688.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.