Home / 10,252.56-15,377.06-2,857.05

Finding the Fourth Proportional to 10,252.56, 15,377.06 and 2,857.05

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Solution

The fourth proportional to 10,252.56, 15,377.06 and 2,857.05 is: 4,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.56 : 15,377.06 = 2,857.05 : x
  2. Step 2: Convert to fraction form
    10,252.56/15,377.06 = 2,857.05/x
  3. Step 3: Cross multiply
    10,252.56x = 15,377.06 × 2,857.05
  4. Step 4: Simplify right side
    10,252.56x = 43,933,014.99
  5. Step 5: Solve for x
    x = 43,933,014.99/10,252.56
  6. Step 6: Final answer
    x = 4,285.08

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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.