Home / 4,705.13-7,057.65-2,856.76

Finding the Fourth Proportional to 4,705.13, 7,057.65 and 2,856.76

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Solution

The fourth proportional to 4,705.13, 7,057.65 and 2,856.76 is: 4,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.13 : 7,057.65 = 2,856.76 : x
  2. Step 2: Convert to fraction form
    4,705.13/7,057.65 = 2,856.76/x
  3. Step 3: Cross multiply
    4,705.13x = 7,057.65 × 2,856.76
  4. Step 4: Simplify right side
    4,705.13x = 20,161,976.93
  5. Step 5: Solve for x
    x = 20,161,976.93/4,705.13
  6. Step 6: Final answer
    x = 4,285.11

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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.