Home / 5,370.40-8,056.86-1,672.57

Finding the Fourth Proportional to 5,370.40, 8,056.86 and 1,672.57

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Solution

The fourth proportional to 5,370.40, 8,056.86 and 1,672.57 is: 2,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.40 : 8,056.86 = 1,672.57 : x
  2. Step 2: Convert to fraction form
    5,370.40/8,056.86 = 1,672.57/x
  3. Step 3: Cross multiply
    5,370.40x = 8,056.86 × 1,672.57
  4. Step 4: Simplify right side
    5,370.40x = 13,475,662.33
  5. Step 5: Solve for x
    x = 13,475,662.33/5,370.40
  6. Step 6: Final answer
    x = 2,509.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.