Home / 4,187.23-5,776.28-2,860.99

Finding the Fourth Proportional to 4,187.23, 5,776.28 and 2,860.99

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Solution

The fourth proportional to 4,187.23, 5,776.28 and 2,860.99 is: 3,946.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.23 : 5,776.28 = 2,860.99 : x
  2. Step 2: Convert to fraction form
    4,187.23/5,776.28 = 2,860.99/x
  3. Step 3: Cross multiply
    4,187.23x = 5,776.28 × 2,860.99
  4. Step 4: Simplify right side
    4,187.23x = 16,525,865.01
  5. Step 5: Solve for x
    x = 16,525,865.01/4,187.23
  6. Step 6: Final answer
    x = 3,946.73

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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.