Home / 5,653.20-8,472.60-4,112.40

Finding the Fourth Proportional to 5,653.20, 8,472.60 and 4,112.40

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Solution

The fourth proportional to 5,653.20, 8,472.60 and 4,112.40 is: 6,163.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.20 : 8,472.60 = 4,112.40 : x
  2. Step 2: Convert to fraction form
    5,653.20/8,472.60 = 4,112.40/x
  3. Step 3: Cross multiply
    5,653.20x = 8,472.60 × 4,112.40
  4. Step 4: Simplify right side
    5,653.20x = 34,842,720.24
  5. Step 5: Solve for x
    x = 34,842,720.24/5,653.20
  6. Step 6: Final answer
    x = 6,163.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.