Home / 6,321.44-8,724.12-4,746.80

Finding the Fourth Proportional to 6,321.44, 8,724.12 and 4,746.80

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Solution

The fourth proportional to 6,321.44, 8,724.12 and 4,746.80 is: 6,550.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.44 : 8,724.12 = 4,746.80 : x
  2. Step 2: Convert to fraction form
    6,321.44/8,724.12 = 4,746.80/x
  3. Step 3: Cross multiply
    6,321.44x = 8,724.12 × 4,746.80
  4. Step 4: Simplify right side
    6,321.44x = 41,411,652.82
  5. Step 5: Solve for x
    x = 41,411,652.82/6,321.44
  6. Step 6: Final answer
    x = 6,550.98

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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.