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Finding the Fourth Proportional to 7,060.81, 10,592.12 and 2,130.94

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Solution

The fourth proportional to 7,060.81, 10,592.12 and 2,130.94 is: 3,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.81 : 10,592.12 = 2,130.94 : x
  2. Step 2: Convert to fraction form
    7,060.81/10,592.12 = 2,130.94/x
  3. Step 3: Cross multiply
    7,060.81x = 10,592.12 × 2,130.94
  4. Step 4: Simplify right side
    7,060.81x = 22,571,161.54
  5. Step 5: Solve for x
    x = 22,571,161.54/7,060.81
  6. Step 6: Final answer
    x = 3,196.68

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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.