Home / 9,319.43-13,981.64-4,055.57

Finding the Fourth Proportional to 9,319.43, 13,981.64 and 4,055.57

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Solution

The fourth proportional to 9,319.43, 13,981.64 and 4,055.57 is: 6,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.43 : 13,981.64 = 4,055.57 : x
  2. Step 2: Convert to fraction form
    9,319.43/13,981.64 = 4,055.57/x
  3. Step 3: Cross multiply
    9,319.43x = 13,981.64 × 4,055.57
  4. Step 4: Simplify right side
    9,319.43x = 56,703,564.83
  5. Step 5: Solve for x
    x = 56,703,564.83/9,319.43
  6. Step 6: Final answer
    x = 6,084.45

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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.