Home / 6,345.60-8,756.92-3,551.12

Finding the Fourth Proportional to 6,345.60, 8,756.92 and 3,551.12

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Solution

The fourth proportional to 6,345.60, 8,756.92 and 3,551.12 is: 4,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.60 : 8,756.92 = 3,551.12 : x
  2. Step 2: Convert to fraction form
    6,345.60/8,756.92 = 3,551.12/x
  3. Step 3: Cross multiply
    6,345.60x = 8,756.92 × 3,551.12
  4. Step 4: Simplify right side
    6,345.60x = 31,096,873.75
  5. Step 5: Solve for x
    x = 31,096,873.75/6,345.60
  6. Step 6: Final answer
    x = 4,900.54

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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.