Home / 7,265.80-10,026.48-4,121.92

Finding the Fourth Proportional to 7,265.80, 10,026.48 and 4,121.92

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Solution

The fourth proportional to 7,265.80, 10,026.48 and 4,121.92 is: 5,688.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.80 : 10,026.48 = 4,121.92 : x
  2. Step 2: Convert to fraction form
    7,265.80/10,026.48 = 4,121.92/x
  3. Step 3: Cross multiply
    7,265.80x = 10,026.48 × 4,121.92
  4. Step 4: Simplify right side
    7,265.80x = 41,328,348.44
  5. Step 5: Solve for x
    x = 41,328,348.44/7,265.80
  6. Step 6: Final answer
    x = 5,688.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.