Home / 7,688.36-11,532.33-2,141.48

Finding the Fourth Proportional to 7,688.36, 11,532.33 and 2,141.48

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Solution

The fourth proportional to 7,688.36, 11,532.33 and 2,141.48 is: 3,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.36 : 11,532.33 = 2,141.48 : x
  2. Step 2: Convert to fraction form
    7,688.36/11,532.33 = 2,141.48/x
  3. Step 3: Cross multiply
    7,688.36x = 11,532.33 × 2,141.48
  4. Step 4: Simplify right side
    7,688.36x = 24,696,254.05
  5. Step 5: Solve for x
    x = 24,696,254.05/7,688.36
  6. Step 6: Final answer
    x = 3,212.16

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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.