Home / 4,685.50-6,465.99-2,822.86

Finding the Fourth Proportional to 4,685.50, 6,465.99 and 2,822.86

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Solution

The fourth proportional to 4,685.50, 6,465.99 and 2,822.86 is: 3,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.50 : 6,465.99 = 2,822.86 : x
  2. Step 2: Convert to fraction form
    4,685.50/6,465.99 = 2,822.86/x
  3. Step 3: Cross multiply
    4,685.50x = 6,465.99 × 2,822.86
  4. Step 4: Simplify right side
    4,685.50x = 18,252,584.53
  5. Step 5: Solve for x
    x = 18,252,584.53/4,685.50
  6. Step 6: Final answer
    x = 3,895.55

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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.