Home / 6,189.56-8,538.14-3,669.24

Finding the Fourth Proportional to 6,189.56, 8,538.14 and 3,669.24

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Solution

The fourth proportional to 6,189.56, 8,538.14 and 3,669.24 is: 5,061.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.56 : 8,538.14 = 3,669.24 : x
  2. Step 2: Convert to fraction form
    6,189.56/8,538.14 = 3,669.24/x
  3. Step 3: Cross multiply
    6,189.56x = 8,538.14 × 3,669.24
  4. Step 4: Simplify right side
    6,189.56x = 31,328,484.81
  5. Step 5: Solve for x
    x = 31,328,484.81/6,189.56
  6. Step 6: Final answer
    x = 5,061.50

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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.