Home / 9,209.07-13,803.75-3,654.72

Finding the Fourth Proportional to 9,209.07, 13,803.75 and 3,654.72

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Solution

The fourth proportional to 9,209.07, 13,803.75 and 3,654.72 is: 5,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.07 : 13,803.75 = 3,654.72 : x
  2. Step 2: Convert to fraction form
    9,209.07/13,803.75 = 3,654.72/x
  3. Step 3: Cross multiply
    9,209.07x = 13,803.75 × 3,654.72
  4. Step 4: Simplify right side
    9,209.07x = 50,448,841.20
  5. Step 5: Solve for x
    x = 50,448,841.20/9,209.07
  6. Step 6: Final answer
    x = 5,478.17

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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.