Home / 4,501.68-6,750-1,578.84

Finding the Fourth Proportional to 4,501.68, 6,750 and 1,578.84

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Solution

The fourth proportional to 4,501.68, 6,750 and 1,578.84 is: 2,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,501.68 : 6,750 = 1,578.84 : x
  2. Step 2: Convert to fraction form
    4,501.68/6,750 = 1,578.84/x
  3. Step 3: Cross multiply
    4,501.68x = 6,750 × 1,578.84
  4. Step 4: Simplify right side
    4,501.68x = 10,657,170
  5. Step 5: Solve for x
    x = 10,657,170/4,501.68
  6. Step 6: Final answer
    x = 2,367.38

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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.