Home / 6,006.60-8,287.80-3,647.40

Finding the Fourth Proportional to 6,006.60, 8,287.80 and 3,647.40

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Solution

The fourth proportional to 6,006.60, 8,287.80 and 3,647.40 is: 5,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,006.60 : 8,287.80 = 3,647.40 : x
  2. Step 2: Convert to fraction form
    6,006.60/8,287.80 = 3,647.40/x
  3. Step 3: Cross multiply
    6,006.60x = 8,287.80 × 3,647.40
  4. Step 4: Simplify right side
    6,006.60x = 30,228,921.72
  5. Step 5: Solve for x
    x = 30,228,921.72/6,006.60
  6. Step 6: Final answer
    x = 5,032.62

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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.