Home / 9,209.49-13,828.10-5,528.21

Finding the Fourth Proportional to 9,209.49, 13,828.10 and 5,528.21

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Solution

The fourth proportional to 9,209.49, 13,828.10 and 5,528.21 is: 8,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.49 : 13,828.10 = 5,528.21 : x
  2. Step 2: Convert to fraction form
    9,209.49/13,828.10 = 5,528.21/x
  3. Step 3: Cross multiply
    9,209.49x = 13,828.10 × 5,528.21
  4. Step 4: Simplify right side
    9,209.49x = 76,444,543.92
  5. Step 5: Solve for x
    x = 76,444,543.92/9,209.49
  6. Step 6: Final answer
    x = 8,300.63

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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.