Home / 5,460.49-8,190.78-1,950.66

Finding the Fourth Proportional to 5,460.49, 8,190.78 and 1,950.66

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Solution

The fourth proportional to 5,460.49, 8,190.78 and 1,950.66 is: 2,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.49 : 8,190.78 = 1,950.66 : x
  2. Step 2: Convert to fraction form
    5,460.49/8,190.78 = 1,950.66/x
  3. Step 3: Cross multiply
    5,460.49x = 8,190.78 × 1,950.66
  4. Step 4: Simplify right side
    5,460.49x = 15,977,426.91
  5. Step 5: Solve for x
    x = 15,977,426.91/5,460.49
  6. Step 6: Final answer
    x = 2,926.01

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Double scale
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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.