Home / 8,389.10-11,576.22-4,611.98

Finding the Fourth Proportional to 8,389.10, 11,576.22 and 4,611.98

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Solution

The fourth proportional to 8,389.10, 11,576.22 and 4,611.98 is: 6,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.10 : 11,576.22 = 4,611.98 : x
  2. Step 2: Convert to fraction form
    8,389.10/11,576.22 = 4,611.98/x
  3. Step 3: Cross multiply
    8,389.10x = 11,576.22 × 4,611.98
  4. Step 4: Simplify right side
    8,389.10x = 53,389,295.12
  5. Step 5: Solve for x
    x = 53,389,295.12/8,389.10
  6. Step 6: Final answer
    x = 6,364.13

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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.