Home / 9,209.08-13,802.06-3,937.90

Finding the Fourth Proportional to 9,209.08, 13,802.06 and 3,937.90

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Solution

The fourth proportional to 9,209.08, 13,802.06 and 3,937.90 is: 5,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.08 : 13,802.06 = 3,937.90 : x
  2. Step 2: Convert to fraction form
    9,209.08/13,802.06 = 3,937.90/x
  3. Step 3: Cross multiply
    9,209.08x = 13,802.06 × 3,937.90
  4. Step 4: Simplify right side
    9,209.08x = 54,351,043.37
  5. Step 5: Solve for x
    x = 54,351,043.37/9,209.08
  6. Step 6: Final answer
    x = 5,901.90

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1.5x scale

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.