Home / 5,276.58-7,281.39-2,918.67

Finding the Fourth Proportional to 5,276.58, 7,281.39 and 2,918.67

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Solution

The fourth proportional to 5,276.58, 7,281.39 and 2,918.67 is: 4,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.58 : 7,281.39 = 2,918.67 : x
  2. Step 2: Convert to fraction form
    5,276.58/7,281.39 = 2,918.67/x
  3. Step 3: Cross multiply
    5,276.58x = 7,281.39 × 2,918.67
  4. Step 4: Simplify right side
    5,276.58x = 21,251,974.55
  5. Step 5: Solve for x
    x = 21,251,974.55/5,276.58
  6. Step 6: Final answer
    x = 4,027.60

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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.