Home / 6,320.81-8,724.47-3,667.70

Finding the Fourth Proportional to 6,320.81, 8,724.47 and 3,667.70

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Solution

The fourth proportional to 6,320.81, 8,724.47 and 3,667.70 is: 5,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.81 : 8,724.47 = 3,667.70 : x
  2. Step 2: Convert to fraction form
    6,320.81/8,724.47 = 3,667.70/x
  3. Step 3: Cross multiply
    6,320.81x = 8,724.47 × 3,667.70
  4. Step 4: Simplify right side
    6,320.81x = 31,998,676.66
  5. Step 5: Solve for x
    x = 31,998,676.66/6,320.81
  6. Step 6: Final answer
    x = 5,062.44

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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.