Home / 5,039.78-7,559.72-1,752.98

Finding the Fourth Proportional to 5,039.78, 7,559.72 and 1,752.98

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Solution

The fourth proportional to 5,039.78, 7,559.72 and 1,752.98 is: 2,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.78 : 7,559.72 = 1,752.98 : x
  2. Step 2: Convert to fraction form
    5,039.78/7,559.72 = 1,752.98/x
  3. Step 3: Cross multiply
    5,039.78x = 7,559.72 × 1,752.98
  4. Step 4: Simplify right side
    5,039.78x = 13,251,991.40
  5. Step 5: Solve for x
    x = 13,251,991.40/5,039.78
  6. Step 6: Final answer
    x = 2,629.48

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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.