Home / 8,418.96-12,624.12-4,528.08

Finding the Fourth Proportional to 8,418.96, 12,624.12 and 4,528.08

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Solution

The fourth proportional to 8,418.96, 12,624.12 and 4,528.08 is: 6,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.96 : 12,624.12 = 4,528.08 : x
  2. Step 2: Convert to fraction form
    8,418.96/12,624.12 = 4,528.08/x
  3. Step 3: Cross multiply
    8,418.96x = 12,624.12 × 4,528.08
  4. Step 4: Simplify right side
    8,418.96x = 57,163,025.29
  5. Step 5: Solve for x
    x = 57,163,025.29/8,418.96
  6. Step 6: Final answer
    x = 6,789.80

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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.