Home / 5,977.40-8,246.64-3,618.68

Finding the Fourth Proportional to 5,977.40, 8,246.64 and 3,618.68

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Solution

The fourth proportional to 5,977.40, 8,246.64 and 3,618.68 is: 4,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,977.40 : 8,246.64 = 3,618.68 : x
  2. Step 2: Convert to fraction form
    5,977.40/8,246.64 = 3,618.68/x
  3. Step 3: Cross multiply
    5,977.40x = 8,246.64 × 3,618.68
  4. Step 4: Simplify right side
    5,977.40x = 29,841,951.24
  5. Step 5: Solve for x
    x = 29,841,951.24/5,977.40
  6. Step 6: Final answer
    x = 4,992.46

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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.