Home / 5,276.26-7,281.12-2,886.25

Finding the Fourth Proportional to 5,276.26, 7,281.12 and 2,886.25

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Solution

The fourth proportional to 5,276.26, 7,281.12 and 2,886.25 is: 3,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.26 : 7,281.12 = 2,886.25 : x
  2. Step 2: Convert to fraction form
    5,276.26/7,281.12 = 2,886.25/x
  3. Step 3: Cross multiply
    5,276.26x = 7,281.12 × 2,886.25
  4. Step 4: Simplify right side
    5,276.26x = 21,015,132.60
  5. Step 5: Solve for x
    x = 21,015,132.60/5,276.26
  6. Step 6: Final answer
    x = 3,982.96

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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.