Home / 8,232.31-11,360.50-4,455.40

Finding the Fourth Proportional to 8,232.31, 11,360.50 and 4,455.40

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Solution

The fourth proportional to 8,232.31, 11,360.50 and 4,455.40 is: 6,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,232.31 : 11,360.50 = 4,455.40 : x
  2. Step 2: Convert to fraction form
    8,232.31/11,360.50 = 4,455.40/x
  3. Step 3: Cross multiply
    8,232.31x = 11,360.50 × 4,455.40
  4. Step 4: Simplify right side
    8,232.31x = 50,615,571.70
  5. Step 5: Solve for x
    x = 50,615,571.70/8,232.31
  6. Step 6: Final answer
    x = 6,148.40

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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.