Home / 4,657.28-6,980.32-2,057.28

Finding the Fourth Proportional to 4,657.28, 6,980.32 and 2,057.28

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Solution

The fourth proportional to 4,657.28, 6,980.32 and 2,057.28 is: 3,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.28 : 6,980.32 = 2,057.28 : x
  2. Step 2: Convert to fraction form
    4,657.28/6,980.32 = 2,057.28/x
  3. Step 3: Cross multiply
    4,657.28x = 6,980.32 × 2,057.28
  4. Step 4: Simplify right side
    4,657.28x = 14,360,472.73
  5. Step 5: Solve for x
    x = 14,360,472.73/4,657.28
  6. Step 6: Final answer
    x = 3,083.45

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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.