Home / 4,621.48-6,379.38-3,137.08

Finding the Fourth Proportional to 4,621.48, 6,379.38 and 3,137.08

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Solution

The fourth proportional to 4,621.48, 6,379.38 and 3,137.08 is: 4,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.48 : 6,379.38 = 3,137.08 : x
  2. Step 2: Convert to fraction form
    4,621.48/6,379.38 = 3,137.08/x
  3. Step 3: Cross multiply
    4,621.48x = 6,379.38 × 3,137.08
  4. Step 4: Simplify right side
    4,621.48x = 20,012,625.41
  5. Step 5: Solve for x
    x = 20,012,625.41/4,621.48
  6. Step 6: Final answer
    x = 4,330.35

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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.