Home / 9,129.77-13,684.61-3,582.08

Finding the Fourth Proportional to 9,129.77, 13,684.61 and 3,582.08

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Solution

The fourth proportional to 9,129.77, 13,684.61 and 3,582.08 is: 5,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.77 : 13,684.61 = 3,582.08 : x
  2. Step 2: Convert to fraction form
    9,129.77/13,684.61 = 3,582.08/x
  3. Step 3: Cross multiply
    9,129.77x = 13,684.61 × 3,582.08
  4. Step 4: Simplify right side
    9,129.77x = 49,019,281.46
  5. Step 5: Solve for x
    x = 49,019,281.46/9,129.77
  6. Step 6: Final answer
    x = 5,369.17

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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.