Home / 8,545.24-12,828.78-4,652.36

Finding the Fourth Proportional to 8,545.24, 12,828.78 and 4,652.36

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Solution

The fourth proportional to 8,545.24, 12,828.78 and 4,652.36 is: 6,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.24 : 12,828.78 = 4,652.36 : x
  2. Step 2: Convert to fraction form
    8,545.24/12,828.78 = 4,652.36/x
  3. Step 3: Cross multiply
    8,545.24x = 12,828.78 × 4,652.36
  4. Step 4: Simplify right side
    8,545.24x = 59,684,102.92
  5. Step 5: Solve for x
    x = 59,684,102.92/8,545.24
  6. Step 6: Final answer
    x = 6,984.49

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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.