Home / 4,280.16-6,420.24-2,336.16

Finding the Fourth Proportional to 4,280.16, 6,420.24 and 2,336.16

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Solution

The fourth proportional to 4,280.16, 6,420.24 and 2,336.16 is: 3,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.16 : 6,420.24 = 2,336.16 : x
  2. Step 2: Convert to fraction form
    4,280.16/6,420.24 = 2,336.16/x
  3. Step 3: Cross multiply
    4,280.16x = 6,420.24 × 2,336.16
  4. Step 4: Simplify right side
    4,280.16x = 14,998,707.88
  5. Step 5: Solve for x
    x = 14,998,707.88/4,280.16
  6. Step 6: Final answer
    x = 3,504.24

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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.