Home / 7,370.92-10,172.77-4,185.21

Finding the Fourth Proportional to 7,370.92, 10,172.77 and 4,185.21

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Solution

The fourth proportional to 7,370.92, 10,172.77 and 4,185.21 is: 5,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.92 : 10,172.77 = 4,185.21 : x
  2. Step 2: Convert to fraction form
    7,370.92/10,172.77 = 4,185.21/x
  3. Step 3: Cross multiply
    7,370.92x = 10,172.77 × 4,185.21
  4. Step 4: Simplify right side
    7,370.92x = 42,575,149.19
  5. Step 5: Solve for x
    x = 42,575,149.19/7,370.92
  6. Step 6: Final answer
    x = 5,776.10

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Half scale
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Double scale
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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.