Home / 7,285.41-10,928.12-2,091.29

Finding the Fourth Proportional to 7,285.41, 10,928.12 and 2,091.29

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Solution

The fourth proportional to 7,285.41, 10,928.12 and 2,091.29 is: 3,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.41 : 10,928.12 = 2,091.29 : x
  2. Step 2: Convert to fraction form
    7,285.41/10,928.12 = 2,091.29/x
  3. Step 3: Cross multiply
    7,285.41x = 10,928.12 × 2,091.29
  4. Step 4: Simplify right side
    7,285.41x = 22,853,802.98
  5. Step 5: Solve for x
    x = 22,853,802.98/7,285.41
  6. Step 6: Final answer
    x = 3,136.93

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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.