Home / 5,379.18-8,054.19-2,776.62

Finding the Fourth Proportional to 5,379.18, 8,054.19 and 2,776.62

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Solution

The fourth proportional to 5,379.18, 8,054.19 and 2,776.62 is: 4,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.18 : 8,054.19 = 2,776.62 : x
  2. Step 2: Convert to fraction form
    5,379.18/8,054.19 = 2,776.62/x
  3. Step 3: Cross multiply
    5,379.18x = 8,054.19 × 2,776.62
  4. Step 4: Simplify right side
    5,379.18x = 22,363,425.04
  5. Step 5: Solve for x
    x = 22,363,425.04/5,379.18
  6. Step 6: Final answer
    x = 4,157.40

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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.