Home / 6,439.86-9,679.23-5,662.26

Finding the Fourth Proportional to 6,439.86, 9,679.23 and 5,662.26

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Solution

The fourth proportional to 6,439.86, 9,679.23 and 5,662.26 is: 8,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.86 : 9,679.23 = 5,662.26 : x
  2. Step 2: Convert to fraction form
    6,439.86/9,679.23 = 5,662.26/x
  3. Step 3: Cross multiply
    6,439.86x = 9,679.23 × 5,662.26
  4. Step 4: Simplify right side
    6,439.86x = 54,806,316.86
  5. Step 5: Solve for x
    x = 54,806,316.86/6,439.86
  6. Step 6: Final answer
    x = 8,510.48

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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.