Home / 5,929.61-8,887.67-1,979.94

Finding the Fourth Proportional to 5,929.61, 8,887.67 and 1,979.94

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Solution

The fourth proportional to 5,929.61, 8,887.67 and 1,979.94 is: 2,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.61 : 8,887.67 = 1,979.94 : x
  2. Step 2: Convert to fraction form
    5,929.61/8,887.67 = 1,979.94/x
  3. Step 3: Cross multiply
    5,929.61x = 8,887.67 × 1,979.94
  4. Step 4: Simplify right side
    5,929.61x = 17,597,053.34
  5. Step 5: Solve for x
    x = 17,597,053.34/5,929.61
  6. Step 6: Final answer
    x = 2,967.66

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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.