Home / 9,382.04-12,946.68-5,190

Finding the Fourth Proportional to 9,382.04, 12,946.68 and 5,190

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Solution

The fourth proportional to 9,382.04, 12,946.68 and 5,190 is: 7,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,382.04 : 12,946.68 = 5,190 : x
  2. Step 2: Convert to fraction form
    9,382.04/12,946.68 = 5,190/x
  3. Step 3: Cross multiply
    9,382.04x = 12,946.68 × 5,190
  4. Step 4: Simplify right side
    9,382.04x = 67,193,269.20
  5. Step 5: Solve for x
    x = 67,193,269.20/9,382.04
  6. Step 6: Final answer
    x = 7,161.90

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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.