Home / 4,305.60-6,458.40-3,212.12

Finding the Fourth Proportional to 4,305.60, 6,458.40 and 3,212.12

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Solution

The fourth proportional to 4,305.60, 6,458.40 and 3,212.12 is: 4,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.60 : 6,458.40 = 3,212.12 : x
  2. Step 2: Convert to fraction form
    4,305.60/6,458.40 = 3,212.12/x
  3. Step 3: Cross multiply
    4,305.60x = 6,458.40 × 3,212.12
  4. Step 4: Simplify right side
    4,305.60x = 20,745,155.81
  5. Step 5: Solve for x
    x = 20,745,155.81/4,305.60
  6. Step 6: Final answer
    x = 4,818.18

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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.