Home / 9,879.10-13,630.58-5,901.19

Finding the Fourth Proportional to 9,879.10, 13,630.58 and 5,901.19

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Solution

The fourth proportional to 9,879.10, 13,630.58 and 5,901.19 is: 8,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879.10 : 13,630.58 = 5,901.19 : x
  2. Step 2: Convert to fraction form
    9,879.10/13,630.58 = 5,901.19/x
  3. Step 3: Cross multiply
    9,879.10x = 13,630.58 × 5,901.19
  4. Step 4: Simplify right side
    9,879.10x = 80,436,600.94
  5. Step 5: Solve for x
    x = 80,436,600.94/9,879.10
  6. Step 6: Final answer
    x = 8,142.10

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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.