Home / 8,900.08-13,351.74-2,976.40

Finding the Fourth Proportional to 8,900.08, 13,351.74 and 2,976.40

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Solution

The fourth proportional to 8,900.08, 13,351.74 and 2,976.40 is: 4,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.08 : 13,351.74 = 2,976.40 : x
  2. Step 2: Convert to fraction form
    8,900.08/13,351.74 = 2,976.40/x
  3. Step 3: Cross multiply
    8,900.08x = 13,351.74 × 2,976.40
  4. Step 4: Simplify right side
    8,900.08x = 39,740,118.94
  5. Step 5: Solve for x
    x = 39,740,118.94/8,900.08
  6. Step 6: Final answer
    x = 4,465.14

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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.