Home / 4,178.52-6,269.58-1,582.20

Finding the Fourth Proportional to 4,178.52, 6,269.58 and 1,582.20

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Solution

The fourth proportional to 4,178.52, 6,269.58 and 1,582.20 is: 2,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.52 : 6,269.58 = 1,582.20 : x
  2. Step 2: Convert to fraction form
    4,178.52/6,269.58 = 1,582.20/x
  3. Step 3: Cross multiply
    4,178.52x = 6,269.58 × 1,582.20
  4. Step 4: Simplify right side
    4,178.52x = 9,919,729.48
  5. Step 5: Solve for x
    x = 9,919,729.48/4,178.52
  6. Step 6: Final answer
    x = 2,373.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.