Home / 7,786.10-10,745.07-4,428.83

Finding the Fourth Proportional to 7,786.10, 10,745.07 and 4,428.83

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Solution

The fourth proportional to 7,786.10, 10,745.07 and 4,428.83 is: 6,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.10 : 10,745.07 = 4,428.83 : x
  2. Step 2: Convert to fraction form
    7,786.10/10,745.07 = 4,428.83/x
  3. Step 3: Cross multiply
    7,786.10x = 10,745.07 × 4,428.83
  4. Step 4: Simplify right side
    7,786.10x = 47,588,117.77
  5. Step 5: Solve for x
    x = 47,588,117.77/7,786.10
  6. Step 6: Final answer
    x = 6,111.93

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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.