Home / 8,494.18-12,717.65-4,325.21

Finding the Fourth Proportional to 8,494.18, 12,717.65 and 4,325.21

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Solution

The fourth proportional to 8,494.18, 12,717.65 and 4,325.21 is: 6,475.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.18 : 12,717.65 = 4,325.21 : x
  2. Step 2: Convert to fraction form
    8,494.18/12,717.65 = 4,325.21/x
  3. Step 3: Cross multiply
    8,494.18x = 12,717.65 × 4,325.21
  4. Step 4: Simplify right side
    8,494.18x = 55,006,506.96
  5. Step 5: Solve for x
    x = 55,006,506.96/8,494.18
  6. Step 6: Final answer
    x = 6,475.79

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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.