Home / 8,624.44-12,924.30-4,919

Finding the Fourth Proportional to 8,624.44, 12,924.30 and 4,919

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Solution

The fourth proportional to 8,624.44, 12,924.30 and 4,919 is: 7,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.44 : 12,924.30 = 4,919 : x
  2. Step 2: Convert to fraction form
    8,624.44/12,924.30 = 4,919/x
  3. Step 3: Cross multiply
    8,624.44x = 12,924.30 × 4,919
  4. Step 4: Simplify right side
    8,624.44x = 63,574,631.70
  5. Step 5: Solve for x
    x = 63,574,631.70/8,624.44
  6. Step 6: Final answer
    x = 7,371.45

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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.