Home / 4,125.56-5,688.99-2,868.03

Finding the Fourth Proportional to 4,125.56, 5,688.99 and 2,868.03

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Solution

The fourth proportional to 4,125.56, 5,688.99 and 2,868.03 is: 3,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.56 : 5,688.99 = 2,868.03 : x
  2. Step 2: Convert to fraction form
    4,125.56/5,688.99 = 2,868.03/x
  3. Step 3: Cross multiply
    4,125.56x = 5,688.99 × 2,868.03
  4. Step 4: Simplify right side
    4,125.56x = 16,316,193.99
  5. Step 5: Solve for x
    x = 16,316,193.99/4,125.56
  6. Step 6: Final answer
    x = 3,954.91

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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.