Home / 8,454.32-11,666.68-4,677.50

Finding the Fourth Proportional to 8,454.32, 11,666.68 and 4,677.50

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Solution

The fourth proportional to 8,454.32, 11,666.68 and 4,677.50 is: 6,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.32 : 11,666.68 = 4,677.50 : x
  2. Step 2: Convert to fraction form
    8,454.32/11,666.68 = 4,677.50/x
  3. Step 3: Cross multiply
    8,454.32x = 11,666.68 × 4,677.50
  4. Step 4: Simplify right side
    8,454.32x = 54,570,843.21
  5. Step 5: Solve for x
    x = 54,570,843.21/8,454.32
  6. Step 6: Final answer
    x = 6,454.79

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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.