Home / 8,939.07-13,410.93-3,392.45

Finding the Fourth Proportional to 8,939.07, 13,410.93 and 3,392.45

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Solution

The fourth proportional to 8,939.07, 13,410.93 and 3,392.45 is: 5,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.07 : 13,410.93 = 3,392.45 : x
  2. Step 2: Convert to fraction form
    8,939.07/13,410.93 = 3,392.45/x
  3. Step 3: Cross multiply
    8,939.07x = 13,410.93 × 3,392.45
  4. Step 4: Simplify right side
    8,939.07x = 45,495,905.44
  5. Step 5: Solve for x
    x = 45,495,905.44/8,939.07
  6. Step 6: Final answer
    x = 5,089.56

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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.