Home / 8,389.23-11,576.81-4,612.32

Finding the Fourth Proportional to 8,389.23, 11,576.81 and 4,612.32

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Solution

The fourth proportional to 8,389.23, 11,576.81 and 4,612.32 is: 6,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.23 : 11,576.81 = 4,612.32 : x
  2. Step 2: Convert to fraction form
    8,389.23/11,576.81 = 4,612.32/x
  3. Step 3: Cross multiply
    8,389.23x = 11,576.81 × 4,612.32
  4. Step 4: Simplify right side
    8,389.23x = 53,395,989.95
  5. Step 5: Solve for x
    x = 53,395,989.95/8,389.23
  6. Step 6: Final answer
    x = 6,364.83

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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.