Home / 7,124.04-10,687.41-2,192.76

Finding the Fourth Proportional to 7,124.04, 10,687.41 and 2,192.76

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Solution

The fourth proportional to 7,124.04, 10,687.41 and 2,192.76 is: 3,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.04 : 10,687.41 = 2,192.76 : x
  2. Step 2: Convert to fraction form
    7,124.04/10,687.41 = 2,192.76/x
  3. Step 3: Cross multiply
    7,124.04x = 10,687.41 × 2,192.76
  4. Step 4: Simplify right side
    7,124.04x = 23,434,925.15
  5. Step 5: Solve for x
    x = 23,434,925.15/7,124.04
  6. Step 6: Final answer
    x = 3,289.56

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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.