Home / 4,155.99-6,228.57-1,687.92

Finding the Fourth Proportional to 4,155.99, 6,228.57 and 1,687.92

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Solution

The fourth proportional to 4,155.99, 6,228.57 and 1,687.92 is: 2,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.99 : 6,228.57 = 1,687.92 : x
  2. Step 2: Convert to fraction form
    4,155.99/6,228.57 = 1,687.92/x
  3. Step 3: Cross multiply
    4,155.99x = 6,228.57 × 1,687.92
  4. Step 4: Simplify right side
    4,155.99x = 10,513,334.01
  5. Step 5: Solve for x
    x = 10,513,334.01/4,155.99
  6. Step 6: Final answer
    x = 2,529.68

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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.