Home / 4,761.16-7,141.98-2,812.36

Finding the Fourth Proportional to 4,761.16, 7,141.98 and 2,812.36

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Solution

The fourth proportional to 4,761.16, 7,141.98 and 2,812.36 is: 4,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.16 : 7,141.98 = 2,812.36 : x
  2. Step 2: Convert to fraction form
    4,761.16/7,141.98 = 2,812.36/x
  3. Step 3: Cross multiply
    4,761.16x = 7,141.98 × 2,812.36
  4. Step 4: Simplify right side
    4,761.16x = 20,085,818.87
  5. Step 5: Solve for x
    x = 20,085,818.87/4,761.16
  6. Step 6: Final answer
    x = 4,218.68

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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.