Home / 5,028.72-7,543.80-1,950

Finding the Fourth Proportional to 5,028.72, 7,543.80 and 1,950

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Solution

The fourth proportional to 5,028.72, 7,543.80 and 1,950 is: 2,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.72 : 7,543.80 = 1,950 : x
  2. Step 2: Convert to fraction form
    5,028.72/7,543.80 = 1,950/x
  3. Step 3: Cross multiply
    5,028.72x = 7,543.80 × 1,950
  4. Step 4: Simplify right side
    5,028.72x = 14,710,410
  5. Step 5: Solve for x
    x = 14,710,410/5,028.72
  6. Step 6: Final answer
    x = 2,925.28

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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.