Home / 8,840.96-13,239.84-6,231.68

Finding the Fourth Proportional to 8,840.96, 13,239.84 and 6,231.68

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Solution

The fourth proportional to 8,840.96, 13,239.84 and 6,231.68 is: 9,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.96 : 13,239.84 = 6,231.68 : x
  2. Step 2: Convert to fraction form
    8,840.96/13,239.84 = 6,231.68/x
  3. Step 3: Cross multiply
    8,840.96x = 13,239.84 × 6,231.68
  4. Step 4: Simplify right side
    8,840.96x = 82,506,446.13
  5. Step 5: Solve for x
    x = 82,506,446.13/8,840.96
  6. Step 6: Final answer
    x = 9,332.29

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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.