Home / 8,810.35-12,151.22-7,745.85

Finding the Fourth Proportional to 8,810.35, 12,151.22 and 7,745.85

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Solution

The fourth proportional to 8,810.35, 12,151.22 and 7,745.85 is: 10,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.35 : 12,151.22 = 7,745.85 : x
  2. Step 2: Convert to fraction form
    8,810.35/12,151.22 = 7,745.85/x
  3. Step 3: Cross multiply
    8,810.35x = 12,151.22 × 7,745.85
  4. Step 4: Simplify right side
    8,810.35x = 94,121,488.71
  5. Step 5: Solve for x
    x = 94,121,488.71/8,810.35
  6. Step 6: Final answer
    x = 10,683.06

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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.