Home / 8,933.59-13,402.40-2,929.99

Finding the Fourth Proportional to 8,933.59, 13,402.40 and 2,929.99

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Solution

The fourth proportional to 8,933.59, 13,402.40 and 2,929.99 is: 4,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.59 : 13,402.40 = 2,929.99 : x
  2. Step 2: Convert to fraction form
    8,933.59/13,402.40 = 2,929.99/x
  3. Step 3: Cross multiply
    8,933.59x = 13,402.40 × 2,929.99
  4. Step 4: Simplify right side
    8,933.59x = 39,268,897.98
  5. Step 5: Solve for x
    x = 39,268,897.98/8,933.59
  6. Step 6: Final answer
    x = 4,395.65

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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.