Home / 5,621.31-8,432.10-1,725.75

Finding the Fourth Proportional to 5,621.31, 8,432.10 and 1,725.75

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Solution

The fourth proportional to 5,621.31, 8,432.10 and 1,725.75 is: 2,588.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.31 : 8,432.10 = 1,725.75 : x
  2. Step 2: Convert to fraction form
    5,621.31/8,432.10 = 1,725.75/x
  3. Step 3: Cross multiply
    5,621.31x = 8,432.10 × 1,725.75
  4. Step 4: Simplify right side
    5,621.31x = 14,551,696.58
  5. Step 5: Solve for x
    x = 14,551,696.58/5,621.31
  6. Step 6: Final answer
    x = 2,588.67

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