Home / 8,384.24-11,569.80-4,658

Finding the Fourth Proportional to 8,384.24, 11,569.80 and 4,658

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Solution

The fourth proportional to 8,384.24, 11,569.80 and 4,658 is: 6,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.24 : 11,569.80 = 4,658 : x
  2. Step 2: Convert to fraction form
    8,384.24/11,569.80 = 4,658/x
  3. Step 3: Cross multiply
    8,384.24x = 11,569.80 × 4,658
  4. Step 4: Simplify right side
    8,384.24x = 53,892,128.40
  5. Step 5: Solve for x
    x = 53,892,128.40/8,384.24
  6. Step 6: Final answer
    x = 6,427.79

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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.