Home / 8,422.70-11,623.39-4,646.01

Finding the Fourth Proportional to 8,422.70, 11,623.39 and 4,646.01

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Solution

The fourth proportional to 8,422.70, 11,623.39 and 4,646.01 is: 6,411.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.70 : 11,623.39 = 4,646.01 : x
  2. Step 2: Convert to fraction form
    8,422.70/11,623.39 = 4,646.01/x
  3. Step 3: Cross multiply
    8,422.70x = 11,623.39 × 4,646.01
  4. Step 4: Simplify right side
    8,422.70x = 54,002,374.56
  5. Step 5: Solve for x
    x = 54,002,374.56/8,422.70
  6. Step 6: Final answer
    x = 6,411.53

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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.