Home / 4,362.72-6,545.12-1,284.72

Finding the Fourth Proportional to 4,362.72, 6,545.12 and 1,284.72

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Solution

The fourth proportional to 4,362.72, 6,545.12 and 1,284.72 is: 1,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,362.72 : 6,545.12 = 1,284.72 : x
  2. Step 2: Convert to fraction form
    4,362.72/6,545.12 = 1,284.72/x
  3. Step 3: Cross multiply
    4,362.72x = 6,545.12 × 1,284.72
  4. Step 4: Simplify right side
    4,362.72x = 8,408,646.57
  5. Step 5: Solve for x
    x = 8,408,646.57/4,362.72
  6. Step 6: Final answer
    x = 1,927.39

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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.