Home / 8,390.24-11,578.08-4,664

Finding the Fourth Proportional to 8,390.24, 11,578.08 and 4,664

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Solution

The fourth proportional to 8,390.24, 11,578.08 and 4,664 is: 6,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.24 : 11,578.08 = 4,664 : x
  2. Step 2: Convert to fraction form
    8,390.24/11,578.08 = 4,664/x
  3. Step 3: Cross multiply
    8,390.24x = 11,578.08 × 4,664
  4. Step 4: Simplify right side
    8,390.24x = 54,000,165.12
  5. Step 5: Solve for x
    x = 54,000,165.12/8,390.24
  6. Step 6: Final answer
    x = 6,436.07

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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.