Home / 4,280.54-6,422.85-2,966.32

Finding the Fourth Proportional to 4,280.54, 6,422.85 and 2,966.32

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Solution

The fourth proportional to 4,280.54, 6,422.85 and 2,966.32 is: 4,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.54 : 6,422.85 = 2,966.32 : x
  2. Step 2: Convert to fraction form
    4,280.54/6,422.85 = 2,966.32/x
  3. Step 3: Cross multiply
    4,280.54x = 6,422.85 × 2,966.32
  4. Step 4: Simplify right side
    4,280.54x = 19,052,228.41
  5. Step 5: Solve for x
    x = 19,052,228.41/4,280.54
  6. Step 6: Final answer
    x = 4,450.89

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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.