Home / 4,281.21-6,421.73-1,972.71

Finding the Fourth Proportional to 4,281.21, 6,421.73 and 1,972.71

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Solution

The fourth proportional to 4,281.21, 6,421.73 and 1,972.71 is: 2,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.21 : 6,421.73 = 1,972.71 : x
  2. Step 2: Convert to fraction form
    4,281.21/6,421.73 = 1,972.71/x
  3. Step 3: Cross multiply
    4,281.21x = 6,421.73 × 1,972.71
  4. Step 4: Simplify right side
    4,281.21x = 12,668,222.11
  5. Step 5: Solve for x
    x = 12,668,222.11/4,281.21
  6. Step 6: Final answer
    x = 2,959.03

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