Home / 5,018.80-6,925.71-3,028.90

Finding the Fourth Proportional to 5,018.80, 6,925.71 and 3,028.90

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Solution

The fourth proportional to 5,018.80, 6,925.71 and 3,028.90 is: 4,179.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.80 : 6,925.71 = 3,028.90 : x
  2. Step 2: Convert to fraction form
    5,018.80/6,925.71 = 3,028.90/x
  3. Step 3: Cross multiply
    5,018.80x = 6,925.71 × 3,028.90
  4. Step 4: Simplify right side
    5,018.80x = 20,977,283.02
  5. Step 5: Solve for x
    x = 20,977,283.02/5,018.80
  6. Step 6: Final answer
    x = 4,179.74

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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.