Home / 5,826.48-8,739.72-4,102.80

Finding the Fourth Proportional to 5,826.48, 8,739.72 and 4,102.80

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Solution

The fourth proportional to 5,826.48, 8,739.72 and 4,102.80 is: 6,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.48 : 8,739.72 = 4,102.80 : x
  2. Step 2: Convert to fraction form
    5,826.48/8,739.72 = 4,102.80/x
  3. Step 3: Cross multiply
    5,826.48x = 8,739.72 × 4,102.80
  4. Step 4: Simplify right side
    5,826.48x = 35,857,323.22
  5. Step 5: Solve for x
    x = 35,857,323.22/5,826.48
  6. Step 6: Final answer
    x = 6,154.20

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1.5x scale

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.