Home / 5,830.96-8,046.49-3,178.32

Finding the Fourth Proportional to 5,830.96, 8,046.49 and 3,178.32

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Solution

The fourth proportional to 5,830.96, 8,046.49 and 3,178.32 is: 4,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.96 : 8,046.49 = 3,178.32 : x
  2. Step 2: Convert to fraction form
    5,830.96/8,046.49 = 3,178.32/x
  3. Step 3: Cross multiply
    5,830.96x = 8,046.49 × 3,178.32
  4. Step 4: Simplify right side
    5,830.96x = 25,574,320.10
  5. Step 5: Solve for x
    x = 25,574,320.10/5,830.96
  6. Step 6: Final answer
    x = 4,385.95

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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.