Home / 8,100.28-12,150.36-4,635.08

Finding the Fourth Proportional to 8,100.28, 12,150.36 and 4,635.08

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Solution

The fourth proportional to 8,100.28, 12,150.36 and 4,635.08 is: 6,952.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.28 : 12,150.36 = 4,635.08 : x
  2. Step 2: Convert to fraction form
    8,100.28/12,150.36 = 4,635.08/x
  3. Step 3: Cross multiply
    8,100.28x = 12,150.36 × 4,635.08
  4. Step 4: Simplify right side
    8,100.28x = 56,317,890.63
  5. Step 5: Solve for x
    x = 56,317,890.63/8,100.28
  6. Step 6: Final answer
    x = 6,952.59

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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.