Home / 5,461.68-8,193.84-2,130.12

Finding the Fourth Proportional to 5,461.68, 8,193.84 and 2,130.12

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Solution

The fourth proportional to 5,461.68, 8,193.84 and 2,130.12 is: 3,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.68 : 8,193.84 = 2,130.12 : x
  2. Step 2: Convert to fraction form
    5,461.68/8,193.84 = 2,130.12/x
  3. Step 3: Cross multiply
    5,461.68x = 8,193.84 × 2,130.12
  4. Step 4: Simplify right side
    5,461.68x = 17,453,862.46
  5. Step 5: Solve for x
    x = 17,453,862.46/5,461.68
  6. Step 6: Final answer
    x = 3,195.69

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Half scale
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Double scale
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Similar ratio
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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.