Home / 6,247-8,619.96-5,306.56

Finding the Fourth Proportional to 6,247, 8,619.96 and 5,306.56

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Solution

The fourth proportional to 6,247, 8,619.96 and 5,306.56 is: 7,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247 : 8,619.96 = 5,306.56 : x
  2. Step 2: Convert to fraction form
    6,247/8,619.96 = 5,306.56/x
  3. Step 3: Cross multiply
    6,247x = 8,619.96 × 5,306.56
  4. Step 4: Simplify right side
    6,247x = 45,742,334.94
  5. Step 5: Solve for x
    x = 45,742,334.94/6,247
  6. Step 6: Final answer
    x = 7,322.29

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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.