Home / 5,826.40-8,040.36-3,173.74

Finding the Fourth Proportional to 5,826.40, 8,040.36 and 3,173.74

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Solution

The fourth proportional to 5,826.40, 8,040.36 and 3,173.74 is: 4,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.40 : 8,040.36 = 3,173.74 : x
  2. Step 2: Convert to fraction form
    5,826.40/8,040.36 = 3,173.74/x
  3. Step 3: Cross multiply
    5,826.40x = 8,040.36 × 3,173.74
  4. Step 4: Simplify right side
    5,826.40x = 25,518,012.15
  5. Step 5: Solve for x
    x = 25,518,012.15/5,826.40
  6. Step 6: Final answer
    x = 4,379.72

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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.