Home / 5,276.84-7,280.19-3,388.28

Finding the Fourth Proportional to 5,276.84, 7,280.19 and 3,388.28

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Solution

The fourth proportional to 5,276.84, 7,280.19 and 3,388.28 is: 4,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.84 : 7,280.19 = 3,388.28 : x
  2. Step 2: Convert to fraction form
    5,276.84/7,280.19 = 3,388.28/x
  3. Step 3: Cross multiply
    5,276.84x = 7,280.19 × 3,388.28
  4. Step 4: Simplify right side
    5,276.84x = 24,667,285.77
  5. Step 5: Solve for x
    x = 24,667,285.77/5,276.84
  6. Step 6: Final answer
    x = 4,674.64

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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.