Home / 3,957.74-5,467.47-3,123.98

Finding the Fourth Proportional to 3,957.74, 5,467.47 and 3,123.98

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Solution

The fourth proportional to 3,957.74, 5,467.47 and 3,123.98 is: 4,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.74 : 5,467.47 = 3,123.98 : x
  2. Step 2: Convert to fraction form
    3,957.74/5,467.47 = 3,123.98/x
  3. Step 3: Cross multiply
    3,957.74x = 5,467.47 × 3,123.98
  4. Step 4: Simplify right side
    3,957.74x = 17,080,266.93
  5. Step 5: Solve for x
    x = 17,080,266.93/3,957.74
  6. Step 6: Final answer
    x = 4,315.66

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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.