Home / 8,433.81-12,658.46-4,276.76

Finding the Fourth Proportional to 8,433.81, 12,658.46 and 4,276.76

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Solution

The fourth proportional to 8,433.81, 12,658.46 and 4,276.76 is: 6,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.81 : 12,658.46 = 4,276.76 : x
  2. Step 2: Convert to fraction form
    8,433.81/12,658.46 = 4,276.76/x
  3. Step 3: Cross multiply
    8,433.81x = 12,658.46 × 4,276.76
  4. Step 4: Simplify right side
    8,433.81x = 54,137,110.71
  5. Step 5: Solve for x
    x = 54,137,110.71/8,433.81
  6. Step 6: Final answer
    x = 6,419.06

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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.