Home / 9,207.36-12,706.16-5,228.46

Finding the Fourth Proportional to 9,207.36, 12,706.16 and 5,228.46

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Solution

The fourth proportional to 9,207.36, 12,706.16 and 5,228.46 is: 7,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.36 : 12,706.16 = 5,228.46 : x
  2. Step 2: Convert to fraction form
    9,207.36/12,706.16 = 5,228.46/x
  3. Step 3: Cross multiply
    9,207.36x = 12,706.16 × 5,228.46
  4. Step 4: Simplify right side
    9,207.36x = 66,433,623.17
  5. Step 5: Solve for x
    x = 66,433,623.17/9,207.36
  6. Step 6: Final answer
    x = 7,215.27

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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.