Home / 10,439.37-15,651.62-4,889.68

Finding the Fourth Proportional to 10,439.37, 15,651.62 and 4,889.68

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Solution

The fourth proportional to 10,439.37, 15,651.62 and 4,889.68 is: 7,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.37 : 15,651.62 = 4,889.68 : x
  2. Step 2: Convert to fraction form
    10,439.37/15,651.62 = 4,889.68/x
  3. Step 3: Cross multiply
    10,439.37x = 15,651.62 × 4,889.68
  4. Step 4: Simplify right side
    10,439.37x = 76,531,425.51
  5. Step 5: Solve for x
    x = 76,531,425.51/10,439.37
  6. Step 6: Final answer
    x = 7,331.04

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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.