Home / 10,277.80-15,416.15-2,882.77

Finding the Fourth Proportional to 10,277.80, 15,416.15 and 2,882.77

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Solution

The fourth proportional to 10,277.80, 15,416.15 and 2,882.77 is: 4,324.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.80 : 15,416.15 = 2,882.77 : x
  2. Step 2: Convert to fraction form
    10,277.80/15,416.15 = 2,882.77/x
  3. Step 3: Cross multiply
    10,277.80x = 15,416.15 × 2,882.77
  4. Step 4: Simplify right side
    10,277.80x = 44,441,137.65
  5. Step 5: Solve for x
    x = 44,441,137.65/10,277.80
  6. Step 6: Final answer
    x = 4,324.00

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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.