Home / 4,390.87-6,059.17-2,621.83

Finding the Fourth Proportional to 4,390.87, 6,059.17 and 2,621.83

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Solution

The fourth proportional to 4,390.87, 6,059.17 and 2,621.83 is: 3,617.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.87 : 6,059.17 = 2,621.83 : x
  2. Step 2: Convert to fraction form
    4,390.87/6,059.17 = 2,621.83/x
  3. Step 3: Cross multiply
    4,390.87x = 6,059.17 × 2,621.83
  4. Step 4: Simplify right side
    4,390.87x = 15,886,113.68
  5. Step 5: Solve for x
    x = 15,886,113.68/4,390.87
  6. Step 6: Final answer
    x = 3,617.99

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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.