Home / 5,440.60-8,154.78-3,245.32

Finding the Fourth Proportional to 5,440.60, 8,154.78 and 3,245.32

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Solution

The fourth proportional to 5,440.60, 8,154.78 and 3,245.32 is: 4,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.60 : 8,154.78 = 3,245.32 : x
  2. Step 2: Convert to fraction form
    5,440.60/8,154.78 = 3,245.32/x
  3. Step 3: Cross multiply
    5,440.60x = 8,154.78 × 3,245.32
  4. Step 4: Simplify right side
    5,440.60x = 26,464,870.63
  5. Step 5: Solve for x
    x = 26,464,870.63/5,440.60
  6. Step 6: Final answer
    x = 4,864.33

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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.