Home / 6,190.12-8,539.44-4,069.16

Finding the Fourth Proportional to 6,190.12, 8,539.44 and 4,069.16

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Solution

The fourth proportional to 6,190.12, 8,539.44 and 4,069.16 is: 5,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.12 : 8,539.44 = 4,069.16 : x
  2. Step 2: Convert to fraction form
    6,190.12/8,539.44 = 4,069.16/x
  3. Step 3: Cross multiply
    6,190.12x = 8,539.44 × 4,069.16
  4. Step 4: Simplify right side
    6,190.12x = 34,748,347.67
  5. Step 5: Solve for x
    x = 34,748,347.67/6,190.12
  6. Step 6: Final answer
    x = 5,613.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.