Home / 8,628.01-12,944.73-2,785.07

Finding the Fourth Proportional to 8,628.01, 12,944.73 and 2,785.07

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Solution

The fourth proportional to 8,628.01, 12,944.73 and 2,785.07 is: 4,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.01 : 12,944.73 = 2,785.07 : x
  2. Step 2: Convert to fraction form
    8,628.01/12,944.73 = 2,785.07/x
  3. Step 3: Cross multiply
    8,628.01x = 12,944.73 × 2,785.07
  4. Step 4: Simplify right side
    8,628.01x = 36,051,979.18
  5. Step 5: Solve for x
    x = 36,051,979.18/8,628.01
  6. Step 6: Final answer
    x = 4,178.48

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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.