Home / 6,107.31-8,432.37-5,393.70

Finding the Fourth Proportional to 6,107.31, 8,432.37 and 5,393.70

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Solution

The fourth proportional to 6,107.31, 8,432.37 and 5,393.70 is: 7,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.31 : 8,432.37 = 5,393.70 : x
  2. Step 2: Convert to fraction form
    6,107.31/8,432.37 = 5,393.70/x
  3. Step 3: Cross multiply
    6,107.31x = 8,432.37 × 5,393.70
  4. Step 4: Simplify right side
    6,107.31x = 45,481,674.07
  5. Step 5: Solve for x
    x = 45,481,674.07/6,107.31
  6. Step 6: Final answer
    x = 7,447.09

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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.