Home / 4,688.15-7,022.95-3,811.63

Finding the Fourth Proportional to 4,688.15, 7,022.95 and 3,811.63

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Solution

The fourth proportional to 4,688.15, 7,022.95 and 3,811.63 is: 5,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.15 : 7,022.95 = 3,811.63 : x
  2. Step 2: Convert to fraction form
    4,688.15/7,022.95 = 3,811.63/x
  3. Step 3: Cross multiply
    4,688.15x = 7,022.95 × 3,811.63
  4. Step 4: Simplify right side
    4,688.15x = 26,768,914.18
  5. Step 5: Solve for x
    x = 26,768,914.18/4,688.15
  6. Step 6: Final answer
    x = 5,709.91

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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.