Home / 6,288.20-9,416.10-4,635.80

Finding the Fourth Proportional to 6,288.20, 9,416.10 and 4,635.80

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Solution

The fourth proportional to 6,288.20, 9,416.10 and 4,635.80 is: 6,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.20 : 9,416.10 = 4,635.80 : x
  2. Step 2: Convert to fraction form
    6,288.20/9,416.10 = 4,635.80/x
  3. Step 3: Cross multiply
    6,288.20x = 9,416.10 × 4,635.80
  4. Step 4: Simplify right side
    6,288.20x = 43,651,156.38
  5. Step 5: Solve for x
    x = 43,651,156.38/6,288.20
  6. Step 6: Final answer
    x = 6,941.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.