Home / 8,403.40-11,606.88-6,162.04

Finding the Fourth Proportional to 8,403.40, 11,606.88 and 6,162.04

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Solution

The fourth proportional to 8,403.40, 11,606.88 and 6,162.04 is: 8,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.40 : 11,606.88 = 6,162.04 : x
  2. Step 2: Convert to fraction form
    8,403.40/11,606.88 = 6,162.04/x
  3. Step 3: Cross multiply
    8,403.40x = 11,606.88 × 6,162.04
  4. Step 4: Simplify right side
    8,403.40x = 71,522,058.84
  5. Step 5: Solve for x
    x = 71,522,058.84/8,403.40
  6. Step 6: Final answer
    x = 8,511.09

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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.