Home / 8,237.90-12,344.63-4,330.46

Finding the Fourth Proportional to 8,237.90, 12,344.63 and 4,330.46

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Solution

The fourth proportional to 8,237.90, 12,344.63 and 4,330.46 is: 6,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.90 : 12,344.63 = 4,330.46 : x
  2. Step 2: Convert to fraction form
    8,237.90/12,344.63 = 4,330.46/x
  3. Step 3: Cross multiply
    8,237.90x = 12,344.63 × 4,330.46
  4. Step 4: Simplify right side
    8,237.90x = 53,457,843.05
  5. Step 5: Solve for x
    x = 53,457,843.05/8,237.90
  6. Step 6: Final answer
    x = 6,489.26

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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.