Home / 4,877.13-7,315.71-1,957.49

Finding the Fourth Proportional to 4,877.13, 7,315.71 and 1,957.49

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Solution

The fourth proportional to 4,877.13, 7,315.71 and 1,957.49 is: 2,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.13 : 7,315.71 = 1,957.49 : x
  2. Step 2: Convert to fraction form
    4,877.13/7,315.71 = 1,957.49/x
  3. Step 3: Cross multiply
    4,877.13x = 7,315.71 × 1,957.49
  4. Step 4: Simplify right side
    4,877.13x = 14,320,412.68
  5. Step 5: Solve for x
    x = 14,320,412.68/4,877.13
  6. Step 6: Final answer
    x = 2,936.24

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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.