Home / 7,800.32-10,761.77-4,441.91

Finding the Fourth Proportional to 7,800.32, 10,761.77 and 4,441.91

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Solution

The fourth proportional to 7,800.32, 10,761.77 and 4,441.91 is: 6,128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.32 : 10,761.77 = 4,441.91 : x
  2. Step 2: Convert to fraction form
    7,800.32/10,761.77 = 4,441.91/x
  3. Step 3: Cross multiply
    7,800.32x = 10,761.77 × 4,441.91
  4. Step 4: Simplify right side
    7,800.32x = 47,802,811.43
  5. Step 5: Solve for x
    x = 47,802,811.43/7,800.32
  6. Step 6: Final answer
    x = 6,128.31

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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.