Home / 6,288.21-8,677.68-3,416.92

Finding the Fourth Proportional to 6,288.21, 8,677.68 and 3,416.92

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Solution

The fourth proportional to 6,288.21, 8,677.68 and 3,416.92 is: 4,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.21 : 8,677.68 = 3,416.92 : x
  2. Step 2: Convert to fraction form
    6,288.21/8,677.68 = 3,416.92/x
  3. Step 3: Cross multiply
    6,288.21x = 8,677.68 × 3,416.92
  4. Step 4: Simplify right side
    6,288.21x = 29,650,903.50
  5. Step 5: Solve for x
    x = 29,650,903.50/6,288.21
  6. Step 6: Final answer
    x = 4,715.32

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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.