Home / 7,108.92-9,810.17-4,125.05

Finding the Fourth Proportional to 7,108.92, 9,810.17 and 4,125.05

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Solution

The fourth proportional to 7,108.92, 9,810.17 and 4,125.05 is: 5,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.92 : 9,810.17 = 4,125.05 : x
  2. Step 2: Convert to fraction form
    7,108.92/9,810.17 = 4,125.05/x
  3. Step 3: Cross multiply
    7,108.92x = 9,810.17 × 4,125.05
  4. Step 4: Simplify right side
    7,108.92x = 40,467,372.08
  5. Step 5: Solve for x
    x = 40,467,372.08/7,108.92
  6. Step 6: Final answer
    x = 5,692.48

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Half scale
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Double scale
Find fourth proportional to 7,109.92, 9,811.54 and 4,126.05
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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.