Home / 9,133.32-13,689-3,583.20

Finding the Fourth Proportional to 9,133.32, 13,689 and 3,583.20

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Solution

The fourth proportional to 9,133.32, 13,689 and 3,583.20 is: 5,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.32 : 13,689 = 3,583.20 : x
  2. Step 2: Convert to fraction form
    9,133.32/13,689 = 3,583.20/x
  3. Step 3: Cross multiply
    9,133.32x = 13,689 × 3,583.20
  4. Step 4: Simplify right side
    9,133.32x = 49,050,424.80
  5. Step 5: Solve for x
    x = 49,050,424.80/9,133.32
  6. Step 6: Final answer
    x = 5,370.49

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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.