Home / 5,276.45-7,281.27-2,886.37

Finding the Fourth Proportional to 5,276.45, 7,281.27 and 2,886.37

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Solution

The fourth proportional to 5,276.45, 7,281.27 and 2,886.37 is: 3,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.45 : 7,281.27 = 2,886.37 : x
  2. Step 2: Convert to fraction form
    5,276.45/7,281.27 = 2,886.37/x
  3. Step 3: Cross multiply
    5,276.45x = 7,281.27 × 2,886.37
  4. Step 4: Simplify right side
    5,276.45x = 21,016,439.29
  5. Step 5: Solve for x
    x = 21,016,439.29/5,276.45
  6. Step 6: Final answer
    x = 3,983.06

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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.