Home / 7,039.12-10,553.76-3,088.48

Finding the Fourth Proportional to 7,039.12, 10,553.76 and 3,088.48

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Solution

The fourth proportional to 7,039.12, 10,553.76 and 3,088.48 is: 4,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.12 : 10,553.76 = 3,088.48 : x
  2. Step 2: Convert to fraction form
    7,039.12/10,553.76 = 3,088.48/x
  3. Step 3: Cross multiply
    7,039.12x = 10,553.76 × 3,088.48
  4. Step 4: Simplify right side
    7,039.12x = 32,595,076.68
  5. Step 5: Solve for x
    x = 32,595,076.68/7,039.12
  6. Step 6: Final answer
    x = 4,630.56

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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.