Home / 8,242.09-12,350.58-5,281.35

Finding the Fourth Proportional to 8,242.09, 12,350.58 and 5,281.35

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Solution

The fourth proportional to 8,242.09, 12,350.58 and 5,281.35 is: 7,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.09 : 12,350.58 = 5,281.35 : x
  2. Step 2: Convert to fraction form
    8,242.09/12,350.58 = 5,281.35/x
  3. Step 3: Cross multiply
    8,242.09x = 12,350.58 × 5,281.35
  4. Step 4: Simplify right side
    8,242.09x = 65,227,735.68
  5. Step 5: Solve for x
    x = 65,227,735.68/8,242.09
  6. Step 6: Final answer
    x = 7,913.98

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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.