Home / 9,124.69-13,678.80-3,279.93

Finding the Fourth Proportional to 9,124.69, 13,678.80 and 3,279.93

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Solution

The fourth proportional to 9,124.69, 13,678.80 and 3,279.93 is: 4,916.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.69 : 13,678.80 = 3,279.93 : x
  2. Step 2: Convert to fraction form
    9,124.69/13,678.80 = 3,279.93/x
  3. Step 3: Cross multiply
    9,124.69x = 13,678.80 × 3,279.93
  4. Step 4: Simplify right side
    9,124.69x = 44,865,506.48
  5. Step 5: Solve for x
    x = 44,865,506.48/9,124.69
  6. Step 6: Final answer
    x = 4,916.93

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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.