Home / 9,228.03-12,731.04-5,685.09

Finding the Fourth Proportional to 9,228.03, 12,731.04 and 5,685.09

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Solution

The fourth proportional to 9,228.03, 12,731.04 and 5,685.09 is: 7,843.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.03 : 12,731.04 = 5,685.09 : x
  2. Step 2: Convert to fraction form
    9,228.03/12,731.04 = 5,685.09/x
  3. Step 3: Cross multiply
    9,228.03x = 12,731.04 × 5,685.09
  4. Step 4: Simplify right side
    9,228.03x = 72,377,108.19
  5. Step 5: Solve for x
    x = 72,377,108.19/9,228.03
  6. Step 6: Final answer
    x = 7,843.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.