Home / 4,898.46-6,761.42-3,130.07

Finding the Fourth Proportional to 4,898.46, 6,761.42 and 3,130.07

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Solution

The fourth proportional to 4,898.46, 6,761.42 and 3,130.07 is: 4,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,898.46 : 6,761.42 = 3,130.07 : x
  2. Step 2: Convert to fraction form
    4,898.46/6,761.42 = 3,130.07/x
  3. Step 3: Cross multiply
    4,898.46x = 6,761.42 × 3,130.07
  4. Step 4: Simplify right side
    4,898.46x = 21,163,717.90
  5. Step 5: Solve for x
    x = 21,163,717.90/4,898.46
  6. Step 6: Final answer
    x = 4,320.48

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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.