Home / 8,171.61-11,278.08-4,634.07

Finding the Fourth Proportional to 8,171.61, 11,278.08 and 4,634.07

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Solution

The fourth proportional to 8,171.61, 11,278.08 and 4,634.07 is: 6,395.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.61 : 11,278.08 = 4,634.07 : x
  2. Step 2: Convert to fraction form
    8,171.61/11,278.08 = 4,634.07/x
  3. Step 3: Cross multiply
    8,171.61x = 11,278.08 × 4,634.07
  4. Step 4: Simplify right side
    8,171.61x = 52,263,412.19
  5. Step 5: Solve for x
    x = 52,263,412.19/8,171.61
  6. Step 6: Final answer
    x = 6,395.73

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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.