Home / 4,077.67-5,628.52-3,720.87

Finding the Fourth Proportional to 4,077.67, 5,628.52 and 3,720.87

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Solution

The fourth proportional to 4,077.67, 5,628.52 and 3,720.87 is: 5,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.67 : 5,628.52 = 3,720.87 : x
  2. Step 2: Convert to fraction form
    4,077.67/5,628.52 = 3,720.87/x
  3. Step 3: Cross multiply
    4,077.67x = 5,628.52 × 3,720.87
  4. Step 4: Simplify right side
    4,077.67x = 20,942,963.07
  5. Step 5: Solve for x
    x = 20,942,963.07/4,077.67
  6. Step 6: Final answer
    x = 5,136.01

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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.