Home / 10,879.67-16,320.65-4,640.34

Finding the Fourth Proportional to 10,879.67, 16,320.65 and 4,640.34

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Solution

The fourth proportional to 10,879.67, 16,320.65 and 4,640.34 is: 6,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.67 : 16,320.65 = 4,640.34 : x
  2. Step 2: Convert to fraction form
    10,879.67/16,320.65 = 4,640.34/x
  3. Step 3: Cross multiply
    10,879.67x = 16,320.65 × 4,640.34
  4. Step 4: Simplify right side
    10,879.67x = 75,733,403.02
  5. Step 5: Solve for x
    x = 75,733,403.02/10,879.67
  6. Step 6: Final answer
    x = 6,961.00

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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.