Home / 5,276.04-7,280.98-3,179.72

Finding the Fourth Proportional to 5,276.04, 7,280.98 and 3,179.72

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Solution

The fourth proportional to 5,276.04, 7,280.98 and 3,179.72 is: 4,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.04 : 7,280.98 = 3,179.72 : x
  2. Step 2: Convert to fraction form
    5,276.04/7,280.98 = 3,179.72/x
  3. Step 3: Cross multiply
    5,276.04x = 7,280.98 × 3,179.72
  4. Step 4: Simplify right side
    5,276.04x = 23,151,477.73
  5. Step 5: Solve for x
    x = 23,151,477.73/5,276.04
  6. Step 6: Final answer
    x = 4,388.04

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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.