Home / 5,460.10-8,190.15-1,356.10

Finding the Fourth Proportional to 5,460.10, 8,190.15 and 1,356.10

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Solution

The fourth proportional to 5,460.10, 8,190.15 and 1,356.10 is: 2,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.10 : 8,190.15 = 1,356.10 : x
  2. Step 2: Convert to fraction form
    5,460.10/8,190.15 = 1,356.10/x
  3. Step 3: Cross multiply
    5,460.10x = 8,190.15 × 1,356.10
  4. Step 4: Simplify right side
    5,460.10x = 11,106,662.42
  5. Step 5: Solve for x
    x = 11,106,662.42/5,460.10
  6. Step 6: Final answer
    x = 2,034.15

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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.