Home / 8,318.40-11,483.28-5,961.84

Finding the Fourth Proportional to 8,318.40, 11,483.28 and 5,961.84

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Solution

The fourth proportional to 8,318.40, 11,483.28 and 5,961.84 is: 8,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.40 : 11,483.28 = 5,961.84 : x
  2. Step 2: Convert to fraction form
    8,318.40/11,483.28 = 5,961.84/x
  3. Step 3: Cross multiply
    8,318.40x = 11,483.28 × 5,961.84
  4. Step 4: Simplify right side
    8,318.40x = 68,461,478.04
  5. Step 5: Solve for x
    x = 68,461,478.04/8,318.40
  6. Step 6: Final answer
    x = 8,230.13

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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.