Home / 4,629.20-6,943.80-4,118.90

Finding the Fourth Proportional to 4,629.20, 6,943.80 and 4,118.90

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Solution

The fourth proportional to 4,629.20, 6,943.80 and 4,118.90 is: 6,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.20 : 6,943.80 = 4,118.90 : x
  2. Step 2: Convert to fraction form
    4,629.20/6,943.80 = 4,118.90/x
  3. Step 3: Cross multiply
    4,629.20x = 6,943.80 × 4,118.90
  4. Step 4: Simplify right side
    4,629.20x = 28,600,817.82
  5. Step 5: Solve for x
    x = 28,600,817.82/4,629.20
  6. Step 6: Final answer
    x = 6,178.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.