Home / 8,188.35-12,284.55-2,642.28

Finding the Fourth Proportional to 8,188.35, 12,284.55 and 2,642.28

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Solution

The fourth proportional to 8,188.35, 12,284.55 and 2,642.28 is: 3,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.35 : 12,284.55 = 2,642.28 : x
  2. Step 2: Convert to fraction form
    8,188.35/12,284.55 = 2,642.28/x
  3. Step 3: Cross multiply
    8,188.35x = 12,284.55 × 2,642.28
  4. Step 4: Simplify right side
    8,188.35x = 32,459,220.77
  5. Step 5: Solve for x
    x = 32,459,220.77/8,188.35
  6. Step 6: Final answer
    x = 3,964.07

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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.