Home / 5,276.67-7,281.66-2,918.76

Finding the Fourth Proportional to 5,276.67, 7,281.66 and 2,918.76

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Solution

The fourth proportional to 5,276.67, 7,281.66 and 2,918.76 is: 4,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.67 : 7,281.66 = 2,918.76 : x
  2. Step 2: Convert to fraction form
    5,276.67/7,281.66 = 2,918.76/x
  3. Step 3: Cross multiply
    5,276.67x = 7,281.66 × 2,918.76
  4. Step 4: Simplify right side
    5,276.67x = 21,253,417.94
  5. Step 5: Solve for x
    x = 21,253,417.94/5,276.67
  6. Step 6: Final answer
    x = 4,027.81

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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.