Home / 6,406.20-9,610.56-2,708.40

Finding the Fourth Proportional to 6,406.20, 9,610.56 and 2,708.40

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Solution

The fourth proportional to 6,406.20, 9,610.56 and 2,708.40 is: 4,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.20 : 9,610.56 = 2,708.40 : x
  2. Step 2: Convert to fraction form
    6,406.20/9,610.56 = 2,708.40/x
  3. Step 3: Cross multiply
    6,406.20x = 9,610.56 × 2,708.40
  4. Step 4: Simplify right side
    6,406.20x = 26,029,240.70
  5. Step 5: Solve for x
    x = 26,029,240.70/6,406.20
  6. Step 6: Final answer
    x = 4,063.13

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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.