Home / 5,830.74-8,046.52-3,178.15

Finding the Fourth Proportional to 5,830.74, 8,046.52 and 3,178.15

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Solution

The fourth proportional to 5,830.74, 8,046.52 and 3,178.15 is: 4,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.74 : 8,046.52 = 3,178.15 : x
  2. Step 2: Convert to fraction form
    5,830.74/8,046.52 = 3,178.15/x
  3. Step 3: Cross multiply
    5,830.74x = 8,046.52 × 3,178.15
  4. Step 4: Simplify right side
    5,830.74x = 25,572,991.41
  5. Step 5: Solve for x
    x = 25,572,991.41/5,830.74
  6. Step 6: Final answer
    x = 4,385.89

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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.