Home / 8,434.08-12,658.84-4,276.96

Finding the Fourth Proportional to 8,434.08, 12,658.84 and 4,276.96

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Solution

The fourth proportional to 8,434.08, 12,658.84 and 4,276.96 is: 6,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.08 : 12,658.84 = 4,276.96 : x
  2. Step 2: Convert to fraction form
    8,434.08/12,658.84 = 4,276.96/x
  3. Step 3: Cross multiply
    8,434.08x = 12,658.84 × 4,276.96
  4. Step 4: Simplify right side
    8,434.08x = 54,141,357.62
  5. Step 5: Solve for x
    x = 54,141,357.62/8,434.08
  6. Step 6: Final answer
    x = 6,419.35

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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.