Home / 6,520.60-8,994.36-3,866.14

Finding the Fourth Proportional to 6,520.60, 8,994.36 and 3,866.14

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Solution

The fourth proportional to 6,520.60, 8,994.36 and 3,866.14 is: 5,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.60 : 8,994.36 = 3,866.14 : x
  2. Step 2: Convert to fraction form
    6,520.60/8,994.36 = 3,866.14/x
  3. Step 3: Cross multiply
    6,520.60x = 8,994.36 × 3,866.14
  4. Step 4: Simplify right side
    6,520.60x = 34,773,454.97
  5. Step 5: Solve for x
    x = 34,773,454.97/6,520.60
  6. Step 6: Final answer
    x = 5,332.86

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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.