Home / 5,276.32-7,281.36-2,918.53

Finding the Fourth Proportional to 5,276.32, 7,281.36 and 2,918.53

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Solution

The fourth proportional to 5,276.32, 7,281.36 and 2,918.53 is: 4,027.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.32 : 7,281.36 = 2,918.53 : x
  2. Step 2: Convert to fraction form
    5,276.32/7,281.36 = 2,918.53/x
  3. Step 3: Cross multiply
    5,276.32x = 7,281.36 × 2,918.53
  4. Step 4: Simplify right side
    5,276.32x = 21,250,867.60
  5. Step 5: Solve for x
    x = 21,250,867.60/5,276.32
  6. Step 6: Final answer
    x = 4,027.59

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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.