Home / 5,379.04-8,069.10-2,458.72

Finding the Fourth Proportional to 5,379.04, 8,069.10 and 2,458.72

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Solution

The fourth proportional to 5,379.04, 8,069.10 and 2,458.72 is: 3,688.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.04 : 8,069.10 = 2,458.72 : x
  2. Step 2: Convert to fraction form
    5,379.04/8,069.10 = 2,458.72/x
  3. Step 3: Cross multiply
    5,379.04x = 8,069.10 × 2,458.72
  4. Step 4: Simplify right side
    5,379.04x = 19,839,657.55
  5. Step 5: Solve for x
    x = 19,839,657.55/5,379.04
  6. Step 6: Final answer
    x = 3,688.33

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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.