Home / 8,136.20-11,227.86-4,599.40

Finding the Fourth Proportional to 8,136.20, 11,227.86 and 4,599.40

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Solution

The fourth proportional to 8,136.20, 11,227.86 and 4,599.40 is: 6,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.20 : 11,227.86 = 4,599.40 : x
  2. Step 2: Convert to fraction form
    8,136.20/11,227.86 = 4,599.40/x
  3. Step 3: Cross multiply
    8,136.20x = 11,227.86 × 4,599.40
  4. Step 4: Simplify right side
    8,136.20x = 51,641,419.28
  5. Step 5: Solve for x
    x = 51,641,419.28/8,136.20
  6. Step 6: Final answer
    x = 6,347.12

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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.