Home / 5,028.81-6,938.78-3,011.59

Finding the Fourth Proportional to 5,028.81, 6,938.78 and 3,011.59

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Solution

The fourth proportional to 5,028.81, 6,938.78 and 3,011.59 is: 4,155.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.81 : 6,938.78 = 3,011.59 : x
  2. Step 2: Convert to fraction form
    5,028.81/6,938.78 = 3,011.59/x
  3. Step 3: Cross multiply
    5,028.81x = 6,938.78 × 3,011.59
  4. Step 4: Simplify right side
    5,028.81x = 20,896,760.46
  5. Step 5: Solve for x
    x = 20,896,760.46/5,028.81
  6. Step 6: Final answer
    x = 4,155.41

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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.