Home / 7,125.36-10,683-2,739.12

Finding the Fourth Proportional to 7,125.36, 10,683 and 2,739.12

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Solution

The fourth proportional to 7,125.36, 10,683 and 2,739.12 is: 4,106.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.36 : 10,683 = 2,739.12 : x
  2. Step 2: Convert to fraction form
    7,125.36/10,683 = 2,739.12/x
  3. Step 3: Cross multiply
    7,125.36x = 10,683 × 2,739.12
  4. Step 4: Simplify right side
    7,125.36x = 29,262,018.96
  5. Step 5: Solve for x
    x = 29,262,018.96/7,125.36
  6. Step 6: Final answer
    x = 4,106.74

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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.