Home / 6,720.76-10,079.92-2,558.58

Finding the Fourth Proportional to 6,720.76, 10,079.92 and 2,558.58

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Solution

The fourth proportional to 6,720.76, 10,079.92 and 2,558.58 is: 3,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.76 : 10,079.92 = 2,558.58 : x
  2. Step 2: Convert to fraction form
    6,720.76/10,079.92 = 2,558.58/x
  3. Step 3: Cross multiply
    6,720.76x = 10,079.92 × 2,558.58
  4. Step 4: Simplify right side
    6,720.76x = 25,790,281.71
  5. Step 5: Solve for x
    x = 25,790,281.71/6,720.76
  6. Step 6: Final answer
    x = 3,837.41

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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.