Home / 7,849.31-10,830.99-4,864.05

Finding the Fourth Proportional to 7,849.31, 10,830.99 and 4,864.05

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Solution

The fourth proportional to 7,849.31, 10,830.99 and 4,864.05 is: 6,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.31 : 10,830.99 = 4,864.05 : x
  2. Step 2: Convert to fraction form
    7,849.31/10,830.99 = 4,864.05/x
  3. Step 3: Cross multiply
    7,849.31x = 10,830.99 × 4,864.05
  4. Step 4: Simplify right side
    7,849.31x = 52,682,481.47
  5. Step 5: Solve for x
    x = 52,682,481.47/7,849.31
  6. Step 6: Final answer
    x = 6,711.74

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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.