Home / 4,901.88-6,761.64-2,911.14

Finding the Fourth Proportional to 4,901.88, 6,761.64 and 2,911.14

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Solution

The fourth proportional to 4,901.88, 6,761.64 and 2,911.14 is: 4,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.88 : 6,761.64 = 2,911.14 : x
  2. Step 2: Convert to fraction form
    4,901.88/6,761.64 = 2,911.14/x
  3. Step 3: Cross multiply
    4,901.88x = 6,761.64 × 2,911.14
  4. Step 4: Simplify right side
    4,901.88x = 19,684,080.67
  5. Step 5: Solve for x
    x = 19,684,080.67/4,901.88
  6. Step 6: Final answer
    x = 4,015.62

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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.