Home / 4,376.09-6,564.08-1,089.21

Finding the Fourth Proportional to 4,376.09, 6,564.08 and 1,089.21

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Solution

The fourth proportional to 4,376.09, 6,564.08 and 1,089.21 is: 1,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.09 : 6,564.08 = 1,089.21 : x
  2. Step 2: Convert to fraction form
    4,376.09/6,564.08 = 1,089.21/x
  3. Step 3: Cross multiply
    4,376.09x = 6,564.08 × 1,089.21
  4. Step 4: Simplify right side
    4,376.09x = 7,149,688.92
  5. Step 5: Solve for x
    x = 7,149,688.92/4,376.09
  6. Step 6: Final answer
    x = 1,633.81

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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.