Home / 5,830.40-8,045.93-3,177.80

Finding the Fourth Proportional to 5,830.40, 8,045.93 and 3,177.80

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Solution

The fourth proportional to 5,830.40, 8,045.93 and 3,177.80 is: 4,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.40 : 8,045.93 = 3,177.80 : x
  2. Step 2: Convert to fraction form
    5,830.40/8,045.93 = 3,177.80/x
  3. Step 3: Cross multiply
    5,830.40x = 8,045.93 × 3,177.80
  4. Step 4: Simplify right side
    5,830.40x = 25,568,384.41
  5. Step 5: Solve for x
    x = 25,568,384.41/5,830.40
  6. Step 6: Final answer
    x = 4,385.35

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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.