Home / 6,800.76-10,159.83-4,315.68

Finding the Fourth Proportional to 6,800.76, 10,159.83 and 4,315.68

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Solution

The fourth proportional to 6,800.76, 10,159.83 and 4,315.68 is: 6,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.76 : 10,159.83 = 4,315.68 : x
  2. Step 2: Convert to fraction form
    6,800.76/10,159.83 = 4,315.68/x
  3. Step 3: Cross multiply
    6,800.76x = 10,159.83 × 4,315.68
  4. Step 4: Simplify right side
    6,800.76x = 43,846,575.13
  5. Step 5: Solve for x
    x = 43,846,575.13/6,800.76
  6. Step 6: Final answer
    x = 6,447.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.