Home / 10,226.31-15,339.49-2,830.79

Finding the Fourth Proportional to 10,226.31, 15,339.49 and 2,830.79

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Solution

The fourth proportional to 10,226.31, 15,339.49 and 2,830.79 is: 4,246.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,226.31 : 15,339.49 = 2,830.79 : x
  2. Step 2: Convert to fraction form
    10,226.31/15,339.49 = 2,830.79/x
  3. Step 3: Cross multiply
    10,226.31x = 15,339.49 × 2,830.79
  4. Step 4: Simplify right side
    10,226.31x = 43,422,913.25
  5. Step 5: Solve for x
    x = 43,422,913.25/10,226.31
  6. Step 6: Final answer
    x = 4,246.19

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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.