Home / 5,829.81-8,045.13-3,177.21

Finding the Fourth Proportional to 5,829.81, 8,045.13 and 3,177.21

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Solution

The fourth proportional to 5,829.81, 8,045.13 and 3,177.21 is: 4,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.81 : 8,045.13 = 3,177.21 : x
  2. Step 2: Convert to fraction form
    5,829.81/8,045.13 = 3,177.21/x
  3. Step 3: Cross multiply
    5,829.81x = 8,045.13 × 3,177.21
  4. Step 4: Simplify right side
    5,829.81x = 25,561,097.66
  5. Step 5: Solve for x
    x = 25,561,097.66/5,829.81
  6. Step 6: Final answer
    x = 4,384.55

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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.