Home / 6,461.26-8,916.39-3,589.79

Finding the Fourth Proportional to 6,461.26, 8,916.39 and 3,589.79

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Solution

The fourth proportional to 6,461.26, 8,916.39 and 3,589.79 is: 4,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.26 : 8,916.39 = 3,589.79 : x
  2. Step 2: Convert to fraction form
    6,461.26/8,916.39 = 3,589.79/x
  3. Step 3: Cross multiply
    6,461.26x = 8,916.39 × 3,589.79
  4. Step 4: Simplify right side
    6,461.26x = 32,007,989.95
  5. Step 5: Solve for x
    x = 32,007,989.95/6,461.26
  6. Step 6: Final answer
    x = 4,953.83

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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.