Home / 5,930.40-8,182.80-4,159.20

Finding the Fourth Proportional to 5,930.40, 8,182.80 and 4,159.20

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Solution

The fourth proportional to 5,930.40, 8,182.80 and 4,159.20 is: 5,738.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.40 : 8,182.80 = 4,159.20 : x
  2. Step 2: Convert to fraction form
    5,930.40/8,182.80 = 4,159.20/x
  3. Step 3: Cross multiply
    5,930.40x = 8,182.80 × 4,159.20
  4. Step 4: Simplify right side
    5,930.40x = 34,033,901.76
  5. Step 5: Solve for x
    x = 34,033,901.76/5,930.40
  6. Step 6: Final answer
    x = 5,738.89

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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.