Home / 5,273.19-7,276.89-2,915.37

Finding the Fourth Proportional to 5,273.19, 7,276.89 and 2,915.37

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Solution

The fourth proportional to 5,273.19, 7,276.89 and 2,915.37 is: 4,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.19 : 7,276.89 = 2,915.37 : x
  2. Step 2: Convert to fraction form
    5,273.19/7,276.89 = 2,915.37/x
  3. Step 3: Cross multiply
    5,273.19x = 7,276.89 × 2,915.37
  4. Step 4: Simplify right side
    5,273.19x = 21,214,826.80
  5. Step 5: Solve for x
    x = 21,214,826.80/5,273.19
  6. Step 6: Final answer
    x = 4,023.15

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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.