Home / 5,379.40-8,057.76-2,460.16

Finding the Fourth Proportional to 5,379.40, 8,057.76 and 2,460.16

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Solution

The fourth proportional to 5,379.40, 8,057.76 and 2,460.16 is: 3,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.40 : 8,057.76 = 2,460.16 : x
  2. Step 2: Convert to fraction form
    5,379.40/8,057.76 = 2,460.16/x
  3. Step 3: Cross multiply
    5,379.40x = 8,057.76 × 2,460.16
  4. Step 4: Simplify right side
    5,379.40x = 19,823,378.84
  5. Step 5: Solve for x
    x = 19,823,378.84/5,379.40
  6. Step 6: Final answer
    x = 3,685.05

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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.