Home / 6,288.46-8,674.38-3,926.50

Finding the Fourth Proportional to 6,288.46, 8,674.38 and 3,926.50

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Solution

The fourth proportional to 6,288.46, 8,674.38 and 3,926.50 is: 5,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.46 : 8,674.38 = 3,926.50 : x
  2. Step 2: Convert to fraction form
    6,288.46/8,674.38 = 3,926.50/x
  3. Step 3: Cross multiply
    6,288.46x = 8,674.38 × 3,926.50
  4. Step 4: Simplify right side
    6,288.46x = 34,059,953.07
  5. Step 5: Solve for x
    x = 34,059,953.07/6,288.46
  6. Step 6: Final answer
    x = 5,416.26

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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.