Home / 8,669.16-11,964.78-5,532.84

Finding the Fourth Proportional to 8,669.16, 11,964.78 and 5,532.84

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Solution

The fourth proportional to 8,669.16, 11,964.78 and 5,532.84 is: 7,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.16 : 11,964.78 = 5,532.84 : x
  2. Step 2: Convert to fraction form
    8,669.16/11,964.78 = 5,532.84/x
  3. Step 3: Cross multiply
    8,669.16x = 11,964.78 × 5,532.84
  4. Step 4: Simplify right side
    8,669.16x = 66,199,213.38
  5. Step 5: Solve for x
    x = 66,199,213.38/8,669.16
  6. Step 6: Final answer
    x = 7,636.17

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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.