Home / 5,539.34-8,309.04-1,379.35

Finding the Fourth Proportional to 5,539.34, 8,309.04 and 1,379.35

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Solution

The fourth proportional to 5,539.34, 8,309.04 and 1,379.35 is: 2,069.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.34 : 8,309.04 = 1,379.35 : x
  2. Step 2: Convert to fraction form
    5,539.34/8,309.04 = 1,379.35/x
  3. Step 3: Cross multiply
    5,539.34x = 8,309.04 × 1,379.35
  4. Step 4: Simplify right side
    5,539.34x = 11,461,053.55
  5. Step 5: Solve for x
    x = 11,461,053.55/5,539.34
  6. Step 6: Final answer
    x = 2,069.03

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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.