Home / 7,125.90-10,688.76-2,382.41

Finding the Fourth Proportional to 7,125.90, 10,688.76 and 2,382.41

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Solution

The fourth proportional to 7,125.90, 10,688.76 and 2,382.41 is: 3,573.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.90 : 10,688.76 = 2,382.41 : x
  2. Step 2: Convert to fraction form
    7,125.90/10,688.76 = 2,382.41/x
  3. Step 3: Cross multiply
    7,125.90x = 10,688.76 × 2,382.41
  4. Step 4: Simplify right side
    7,125.90x = 25,465,035.43
  5. Step 5: Solve for x
    x = 25,465,035.43/7,125.90
  6. Step 6: Final answer
    x = 3,573.59

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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.