Home / 6,410.20-9,615.30-5,891.80

Finding the Fourth Proportional to 6,410.20, 9,615.30 and 5,891.80

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Solution

The fourth proportional to 6,410.20, 9,615.30 and 5,891.80 is: 8,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.20 : 9,615.30 = 5,891.80 : x
  2. Step 2: Convert to fraction form
    6,410.20/9,615.30 = 5,891.80/x
  3. Step 3: Cross multiply
    6,410.20x = 9,615.30 × 5,891.80
  4. Step 4: Simplify right side
    6,410.20x = 56,651,424.54
  5. Step 5: Solve for x
    x = 56,651,424.54/6,410.20
  6. Step 6: Final answer
    x = 8,837.70

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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.