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Finding the Fourth Proportional to 7,040.92, 10,552.05 and 3,746.92

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Solution

The fourth proportional to 7,040.92, 10,552.05 and 3,746.92 is: 5,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.92 : 10,552.05 = 3,746.92 : x
  2. Step 2: Convert to fraction form
    7,040.92/10,552.05 = 3,746.92/x
  3. Step 3: Cross multiply
    7,040.92x = 10,552.05 × 3,746.92
  4. Step 4: Simplify right side
    7,040.92x = 39,537,687.19
  5. Step 5: Solve for x
    x = 39,537,687.19/7,040.92
  6. Step 6: Final answer
    x = 5,615.41

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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.