Home / 4,376.67-6,561.33-2,988.09

Finding the Fourth Proportional to 4,376.67, 6,561.33 and 2,988.09

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Solution

The fourth proportional to 4,376.67, 6,561.33 and 2,988.09 is: 4,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.67 : 6,561.33 = 2,988.09 : x
  2. Step 2: Convert to fraction form
    4,376.67/6,561.33 = 2,988.09/x
  3. Step 3: Cross multiply
    4,376.67x = 6,561.33 × 2,988.09
  4. Step 4: Simplify right side
    4,376.67x = 19,605,844.56
  5. Step 5: Solve for x
    x = 19,605,844.56/4,376.67
  6. Step 6: Final answer
    x = 4,479.63

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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.