Home / 6,811.86-10,205.64-4,612.71

Finding the Fourth Proportional to 6,811.86, 10,205.64 and 4,612.71

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Solution

The fourth proportional to 6,811.86, 10,205.64 and 4,612.71 is: 6,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.86 : 10,205.64 = 4,612.71 : x
  2. Step 2: Convert to fraction form
    6,811.86/10,205.64 = 4,612.71/x
  3. Step 3: Cross multiply
    6,811.86x = 10,205.64 × 4,612.71
  4. Step 4: Simplify right side
    6,811.86x = 47,075,657.68
  5. Step 5: Solve for x
    x = 47,075,657.68/6,811.86
  6. Step 6: Final answer
    x = 6,910.84

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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.