Home / 5,618.34-7,753.20-3,228.32

Finding the Fourth Proportional to 5,618.34, 7,753.20 and 3,228.32

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Solution

The fourth proportional to 5,618.34, 7,753.20 and 3,228.32 is: 4,455.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.34 : 7,753.20 = 3,228.32 : x
  2. Step 2: Convert to fraction form
    5,618.34/7,753.20 = 3,228.32/x
  3. Step 3: Cross multiply
    5,618.34x = 7,753.20 × 3,228.32
  4. Step 4: Simplify right side
    5,618.34x = 25,029,771.86
  5. Step 5: Solve for x
    x = 25,029,771.86/5,618.34
  6. Step 6: Final answer
    x = 4,455.01

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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.