Home / 5,275.72-7,280.04-2,917.27

Finding the Fourth Proportional to 5,275.72, 7,280.04 and 2,917.27

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Solution

The fourth proportional to 5,275.72, 7,280.04 and 2,917.27 is: 4,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.72 : 7,280.04 = 2,917.27 : x
  2. Step 2: Convert to fraction form
    5,275.72/7,280.04 = 2,917.27/x
  3. Step 3: Cross multiply
    5,275.72x = 7,280.04 × 2,917.27
  4. Step 4: Simplify right side
    5,275.72x = 21,237,842.29
  5. Step 5: Solve for x
    x = 21,237,842.29/5,275.72
  6. Step 6: Final answer
    x = 4,025.58

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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.