Home / 8,455.28-11,667.22-4,677.91

Finding the Fourth Proportional to 8,455.28, 11,667.22 and 4,677.91

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Solution

The fourth proportional to 8,455.28, 11,667.22 and 4,677.91 is: 6,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.28 : 11,667.22 = 4,677.91 : x
  2. Step 2: Convert to fraction form
    8,455.28/11,667.22 = 4,677.91/x
  3. Step 3: Cross multiply
    8,455.28x = 11,667.22 × 4,677.91
  4. Step 4: Simplify right side
    8,455.28x = 54,578,164.25
  5. Step 5: Solve for x
    x = 54,578,164.25/8,455.28
  6. Step 6: Final answer
    x = 6,454.92

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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.